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20122401422 = 289454924851
BaseRepresentation
bin10010101111011000…
…110111101010001110
31220221100211220102202
4102233120313222032
5312202313321142
613124420521502
71311436406234
oct225730675216
956840756382
1020122401422
118596631022
123a96b50292
131b88b62906
14d8c668954
157cb898032
hex4af637a8e

20122401422 has 16 divisors (see below), whose sum is σ = 30530682000. Its totient is φ = 9945566400.

The previous prime is 20122401367. The next prime is 20122401433. The reversal of 20122401422 is 22410422102.

It is a super-2 number, since 2×201224014222 (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20122401394 and 20122401403.

It is a congruent number.

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, 797297 + ... + 822147.

It is an arithmetic number, because the mean of its divisors is an integer number (1908167625).

Almost surely, 220122401422 is an apocalyptic number.

20122401422 is a deficient number, since it is larger than the sum of its proper divisors (10408280578).

20122401422 is a wasteful number, since it uses less digits than its factorization.

20122401422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29491.

The product of its (nonzero) digits is 512, while the sum is 20.

Adding to 20122401422 its reverse (22410422102), we get a palindrome (42532823524).

The spelling of 20122401422 in words is "twenty billion, one hundred twenty-two million, four hundred one thousand, four hundred twenty-two".

Divisors: 1 2 89 178 4549 9098 24851 49702 404861 809722 2211739 4423478 113047199 226094398 10061200711 20122401422