101920504 has 16 divisors (see below), whose sum is σ = 218401200. Its totient is φ = 43680192.

The previous prime is 101920501. The next prime is 101920517. The reversal of 101920504 is 405029101.

It is a super-2 number, since 2×101920504² = 20775578271228032, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101920501) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 909949 + ... + 910060.

It is an arithmetic number, because the mean of its divisors is an integer number (13650075).

Almost surely, 2^101920504 is an apocalyptic number.

101920504 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

101920504 is an abundant number, since it is smaller than the sum of its proper divisors (116480696).

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

101920504 is a wasteful number, since it uses less digits than its factorization.

101920504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1820022 (or 1820018 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 22.

The square root of 101920504 is about 10095.5685327771. The cubic root of 101920504 is about 467.1114584627. Note that the first 3 decimals are identical.

Adding to 101920504 its reverse (405029101), we get a palindrome (506949605).

The spelling of 101920504 in words is "one hundred one million, nine hundred twenty thousand, five hundred four".