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20210120022 = 235875738251
BaseRepresentation
bin10010110100100111…
…011111010101010110
31221011110220110201210
4102310213133111112
5312342242320042
613141233002250
71313553120501
oct226447372526
957143813653
1020210120022
1186310a4334
123b003b3386
131ba1096301
14d9a180138
157d4423a9c
hex4b49df556

20210120022 has 16 divisors (see below), whose sum is σ = 40489106112. Its totient is φ = 6725229000.

The previous prime is 20210120009. The next prime is 20210120027. The reversal of 20210120022 is 22002101202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20210120027) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2865604 + ... + 2872647.

It is an arithmetic number, because the mean of its divisors is an integer number (2530569132).

Almost surely, 220210120022 is an apocalyptic number.

20210120022 is an abundant number, since it is smaller than the sum of its proper divisors (20278986090).

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

20210120022 is a wasteful number, since it uses less digits than its factorization.

20210120022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5738843.

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

Adding to 20210120022 its reverse (22002101202), we get a palindrome (42212221224).

The spelling of 20210120022 in words is "twenty billion, two hundred ten million, one hundred twenty thousand, twenty-two".

Divisors: 1 2 3 6 587 1174 1761 3522 5738251 11476502 17214753 34429506 3368353337 6736706674 10105060011 20210120022