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2020111002 = 23571345677
BaseRepresentation
bin111100001101000…
…0111001010011010
312012210012021100000
41320122013022122
513114122023002
6532241553430
7101026442310
oct17032071232
95183167300
102020111002
11947333328
12484645876
13262699170
141524120b0
15bc53661c
hex7868729a

2020111002 has 96 divisors (see below), whose sum is σ = 5586602112. Its totient is φ = 532764864.

The previous prime is 2020110949. The next prime is 2020111007. The reversal of 2020111002 is 2001110202.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is not an unprimeable number, because it can be changed into a prime (2020111007) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 21388 + ... + 67064.

It is an arithmetic number, because the mean of its divisors is an integer number (58193772).

Almost surely, 22020111002 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2020111002, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2793301056).

2020111002 is an abundant number, since it is smaller than the sum of its proper divisors (3566491110).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2020111002 is a wasteful number, since it uses less digits than its factorization.

2020111002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45714 (or 45702 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

The square root of 2020111002 is about 44945.6449725666. The cubic root of 2020111002 is about 1264.1300192890.

Adding to 2020111002 its reverse (2001110202), we get a palindrome (4021221204).

The spelling of 2020111002 in words is "two billion, twenty million, one hundred eleven thousand, two".

Divisors: 1 2 3 6 7 9 13 14 18 21 26 27 39 42 54 63 78 81 91 117 126 162 182 189 234 243 273 351 378 486 546 567 702 819 1053 1134 1638 1701 2106 2457 3159 3402 4914 6318 7371 14742 22113 44226 45677 91354 137031 274062 319739 411093 593801 639478 822186 959217 1187602 1233279 1781403 1918434 2466558 2877651 3562806 3699837 4156607 5344209 5755302 7399674 8313214 8632953 10688418 11099511 12469821 16032627 17265906 22199022 24939642 25898859 32065254 37409463 48097881 51797718 74818926 77696577 96195762 112228389 144293643 155393154 224456778 288587286 336685167 673370334 1010055501 2020111002