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122020101011020 = 22516574936808699
BaseRepresentation
bin11011101111101000000100…
…110001101011011001001100
3121000001000012122020001020011
4123233220010301223121030
5111443134131324323040
61111303132140203004
734462442565362002
oct3357500461533114
9530030178201204
10122020101011020
1135974485a660a3
1211828390b39464
1353115a52746b4
14221bb393baa72
15e190521a33ea
hex6efa04c6b64c

122020101011020 has 24 divisors (see below), whose sum is σ = 256243765050000. Its totient is φ = 48807744608832.

The previous prime is 122020101010963. The next prime is 122020101011041. The reversal of 122020101011020 is 20110101020221.

It is a super-2 number, since 2×1220201010110202 (a number of 29 digits) contains 22 as substring.

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, 15089370 + ... + 21719329.

It is an arithmetic number, because the mean of its divisors is an integer number (10676823543750).

Almost surely, 2122020101011020 is an apocalyptic number.

122020101011020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122020101011020 is an abundant number, since it is smaller than the sum of its proper divisors (134223664038980).

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

122020101011020 is a wasteful number, since it uses less digits than its factorization.

122020101011020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36974457 (or 36974455 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 122020101011020 its reverse (20110101020221), we get a palindrome (142130202031241).

The spelling of 122020101011020 in words is "one hundred twenty-two trillion, twenty billion, one hundred one million, eleven thousand, twenty".

Divisors: 1 2 4 5 10 20 165749 331498 662996 828745 1657490 3314980 36808699 73617398 147234796 184043495 368086990 736173980 6101005050551 12202010101102 24404020202204 30505025252755 61010050505510 122020101011020