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122011022020 = 22531196791971
BaseRepresentation
bin111000110100001101…
…1000111001011000100
3102122221011021010002111
41301220123013023010
53444334310201040
6132015011350404
711546355401236
oct1615033071304
9378834233074
10122011022020
114782104a798
121b7912b2404
13b675a20524
145c96470256
1532917e3dea
hex1c686c72c4

122011022020 has 24 divisors (see below), whose sum is σ = 264488410368. Its totient is φ = 47230072800.

The previous prime is 122011021969. The next prime is 122011022033. The reversal of 122011022020 is 20220110221.

It is a happy number.

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, 98395366 + ... + 98396605.

It is an arithmetic number, because the mean of its divisors is an integer number (11020350432).

Almost surely, 2122011022020 is an apocalyptic number.

122011022020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122011022020 is an abundant number, since it is smaller than the sum of its proper divisors (142477388348).

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

122011022020 is a wasteful number, since it uses less digits than its factorization.

122011022020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 196792011 (or 196792009 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 122011022020 its reverse (20220110221), we get a palindrome (142231132241).

The spelling of 122011022020 in words is "one hundred twenty-two billion, eleven million, twenty-two thousand, twenty".

Divisors: 1 2 4 5 10 20 31 62 124 155 310 620 196791971 393583942 787167884 983959855 1967919710 3935839420 6100551101 12201102202 24402204404 30502755505 61005511010 122011022020