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2020202010 = 232523975943
BaseRepresentation
bin111100001101001…
…1101011000011010
312012210100220011200
41320122131120122
513114132431020
6532243535030
7101030301531
oct17032353032
95183326150
102020202010
11947395742
1248468a476
132626cb708
14152437318
15bc553590
hex7869d61a

2020202010 has 48 divisors (see below), whose sum is σ = 5480901504. Its totient is φ = 515297376.

The previous prime is 2020202003. The next prime is 2020202071. The reversal of 2020202010 is 102020202.

It is a super-2 number, since 2×20202020102 = 8162432322416080200, which contains 22 as substring.

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

It is a junction number, because it is equal to n+sod(n) for n = 2020201983 and 2020202001.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 485902 + ... + 490041.

It is an arithmetic number, because the mean of its divisors is an integer number (114185448).

Almost surely, 22020202010 is an apocalyptic number.

2020202010 is an abundant number, since it is smaller than the sum of its proper divisors (3460699494).

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

2020202010 is a wasteful number, since it uses less digits than its factorization.

2020202010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 975979 (or 975976 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 9.

The square root of 2020202010 is about 44946.6573840592. The cubic root of 2020202010 is about 1264.1490024401.

Adding to 2020202010 its reverse (102020202), we get a palindrome (2122222212).

The spelling of 2020202010 in words is "two billion, twenty million, two hundred two thousand, ten".

Divisors: 1 2 3 5 6 9 10 15 18 23 30 45 46 69 90 115 138 207 230 345 414 690 1035 2070 975943 1951886 2927829 4879715 5855658 8783487 9759430 14639145 17566974 22446689 29278290 43917435 44893378 67340067 87834870 112233445 134680134 202020201 224466890 336700335 404040402 673400670 1010101005 2020202010