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122301620020 = 22523265873087
BaseRepresentation
bin111000111100110111…
…1101001111100110100
3102200200102002000121101
41301321233221330310
54000433203320040
6132103512055444
711556514421566
oct1617157517464
9380612060541
10122301620020
1147960092328
121b852694584
13b6c0ca89c8
145cc2cb7336
1532ac09709a
hex1c79be9f34

122301620020 has 24 divisors (see below), whose sum is σ = 268000072704. Its totient is φ = 46793663136.

The previous prime is 122301620017. The next prime is 122301620027. The reversal of 122301620020 is 20026103221.

It is a self number, because there is not a number n which added to its sum of digits gives 122301620020.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122301620027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 132936084 + ... + 132937003.

It is an arithmetic number, because the mean of its divisors is an integer number (11166669696).

Almost surely, 2122301620020 is an apocalyptic number.

122301620020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122301620020 is an abundant number, since it is smaller than the sum of its proper divisors (145698452684).

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

122301620020 is a wasteful number, since it uses less digits than its factorization.

122301620020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 265873119 (or 265873117 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 122301620020 its reverse (20026103221), we get a palindrome (142327723241).

The spelling of 122301620020 in words is "one hundred twenty-two billion, three hundred one million, six hundred twenty thousand, twenty".

Divisors: 1 2 4 5 10 20 23 46 92 115 230 460 265873087 531746174 1063492348 1329365435 2658730870 5317461740 6115081001 12230162002 24460324004 30575405005 61150810010 122301620020