101307020520 has 32 divisors (see below), whose sum is σ = 303921061920. Its totient is φ = 27015205440.

The previous prime is 101307020519. The next prime is 101307020527. The reversal of 101307020520 is 25020703101.

It is a super-2 number, since 2×101307020520² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (101307020527) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 422112466 + ... + 422112705.

It is an arithmetic number, because the mean of its divisors is an integer number (9497533185).

Almost surely, 2^101307020520 is an apocalyptic number.

101307020520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101307020520 is an abundant number, since it is smaller than the sum of its proper divisors (202614041400).

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

101307020520 is a wasteful number, since it uses less digits than its factorization.

101307020520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 844225185 (or 844225181 counting only the distinct ones).

The product of its (nonzero) digits is 420, while the sum is 21.

Adding to 101307020520 its reverse (25020703101), we get a palindrome (126327723621).

The spelling of 101307020520 in words is "one hundred one billion, three hundred seven million, twenty thousand, five hundred twenty".