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2020120002 = 232502322343
BaseRepresentation
bin111100001101000…
…1001010111000010
312012210012201200100
41320122021113002
513114122320002
6532242103230
7101026510455
oct17032112702
95183181610
102020120002
1194733a06a
1248464ab16
132626a02a4
1415241549c
15bc53911c
hex786895c2

2020120002 has 24 divisors (see below), whose sum is σ = 4377993984. Its totient is φ = 673209144.

The previous prime is 2020119971. The next prime is 2020120007. The reversal of 2020120002 is 2000210202.

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 (2020120007) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 79243 + ... + 101585.

It is an arithmetic number, because the mean of its divisors is an integer number (182416416).

Almost surely, 22020120002 is an apocalyptic number.

2020120002 is an abundant number, since it is smaller than the sum of its proper divisors (2357873982).

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

2020120002 is a wasteful number, since it uses less digits than its factorization.

2020120002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27374 (or 27371 counting only the distinct ones).

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

The square root of 2020120002 is about 44945.7450933901. The cubic root of 2020120002 is about 1264.1318966039.

Adding to 2020120002 its reverse (2000210202), we get a palindrome (4020330204).

The spelling of 2020120002 in words is "two billion, twenty million, one hundred twenty thousand, two".

Divisors: 1 2 3 6 9 18 5023 10046 15069 22343 30138 44686 45207 67029 90414 134058 201087 402174 112228889 224457778 336686667 673373334 1010060001 2020120002