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20122001202 = 2310731342681
BaseRepresentation
bin10010101111010111…
…010101111100110010
31220221100002120102210
4102233113111330302
5312202213014302
613124404152550
71311433121352
oct225727257462
956840076383
1020122001202
118596388366
123a96998756
131b88a526b4
14d8c5a2b62
157cb81966c
hex4af5d5f32

20122001202 has 16 divisors (see below), whose sum is σ = 40620115872. Its totient is φ = 6644648160.

The previous prime is 20122001183. The next prime is 20122001213. The reversal of 20122001202 is 20210022102.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15670699 + ... + 15671982.

It is an arithmetic number, because the mean of its divisors is an integer number (2538757242).

Almost surely, 220122001202 is an apocalyptic number.

20122001202 is an abundant number, since it is smaller than the sum of its proper divisors (20498114670).

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

20122001202 is a wasteful number, since it uses less digits than its factorization.

20122001202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31342793.

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 20122001202 its reverse (20210022102), we get a palindrome (40332023304).

The spelling of 20122001202 in words is "twenty billion, one hundred twenty-two million, one thousand, two hundred two".

Divisors: 1 2 3 6 107 214 321 642 31342681 62685362 94028043 188056086 3353666867 6707333734 10061000601 20122001202