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20210022102 = 2343391120029
BaseRepresentation
bin10010110100100111…
…000111011011010110
31221011110201111102010
4102310213013123112
5312342231201402
613141230525050
71313552232144
oct226447073326
957143644363
1020210022102
118631037806
123b00366786
131ba106087a
14d9a156594
157d4404a6c
hex4b49c76d6

20210022102 has 32 divisors (see below), whose sum is σ = 41372686080. Its totient is φ = 6577996320.

The previous prime is 20210022067. The next prime is 20210022103. The reversal of 20210022102 is 20122001202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20210022103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 999024 + ... + 1019052.

It is an arithmetic number, because the mean of its divisors is an integer number (1292896440).

Almost surely, 220210022102 is an apocalyptic number.

20210022102 is an abundant number, since it is smaller than the sum of its proper divisors (21162663978).

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

20210022102 is a wasteful number, since it uses less digits than its factorization.

20210022102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23988.

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

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

The spelling of 20210022102 in words is "twenty billion, two hundred ten million, twenty-two thousand, one hundred two".

Divisors: 1 2 3 6 43 86 129 258 3911 7822 11733 20029 23466 40058 60087 120174 168173 336346 504519 861247 1009038 1722494 2583741 5167482 78333419 156666838 235000257 470000514 3368337017 6736674034 10105011051 20210022102