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20022120102 = 2331271397217
BaseRepresentation
bin10010101001011010…
…010100111010100110
31220200101011002022210
4102221122110322212
5312001130320402
613110435304250
71306111132665
oct225132247246
956611132283
1020022120102
118544a681a6
123a6944b086
131b7115105a
14d7d202ddc
157c2b8a06c
hex4a9694ea6

20022120102 has 32 divisors (see below), whose sum is σ = 41488625664. Its totient is φ = 6434899200.

The previous prime is 20022120101. The next prime is 20022120109. The reversal of 20022120102 is 20102122002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20022120101) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 148203 + ... + 249014.

It is an arithmetic number, because the mean of its divisors is an integer number (1296519552).

Almost surely, 220022120102 is an apocalyptic number.

20022120102 is an abundant number, since it is smaller than the sum of its proper divisors (21466505562).

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

20022120102 is a wasteful number, since it uses less digits than its factorization.

20022120102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 397524.

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

Adding to 20022120102 its reverse (20102122002), we get a palindrome (40124242104).

The spelling of 20022120102 in words is "twenty billion, twenty-two million, one hundred twenty thousand, one hundred two".

Divisors: 1 2 3 6 31 62 93 186 271 542 813 1626 8401 16802 25203 50406 397217 794434 1191651 2383302 12313727 24627454 36941181 73882362 107645807 215291614 322937421 645874842 3337020017 6674040034 10011060051 20022120102