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2020102122 = 23401983773
BaseRepresentation
bin111100001101000…
…0100111111101010
312012210011211011010
41320122010333222
513114121231442
6532241444350
7101026404363
oct17032047752
95183154133
102020102122
11947327695
124846406b6
132626950cc
1415240cb6a
15bc533b9c
hex78684fea

2020102122 has 16 divisors (see below), whose sum is σ = 4041257760. Its totient is φ = 673191792.

The previous prime is 2020102109. The next prime is 2020102171. The reversal of 2020102122 is 2212010202.

It is a junction number, because it is equal to n+sod(n) for n = 2020102098 and 2020102107.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17773 + ... + 66000.

It is an arithmetic number, because the mean of its divisors is an integer number (252578610).

Almost surely, 22020102122 is an apocalyptic number.

2020102122 is an abundant number, since it is smaller than the sum of its proper divisors (2021155638).

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

2020102122 is a wasteful number, since it uses less digits than its factorization.

2020102122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87797.

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

The square root of 2020102122 is about 44945.5461864688. The cubic root of 2020102122 is about 1264.1281669996.

Adding to 2020102122 its reverse (2212010202), we get a palindrome (4232112324).

The spelling of 2020102122 in words is "two billion, twenty million, one hundred two thousand, one hundred twenty-two".

Divisors: 1 2 3 6 4019 8038 12057 24114 83773 167546 251319 502638 336683687 673367374 1010051061 2020102122