112020165840 has 160 divisors (see below), whose sum is σ = 401116219776. Its totient is φ = 25558958080.

The previous prime is 112020165833. The next prime is 112020165869. The reversal of 112020165840 is 48561020211.

It is a super-2 number, since 2×112020165840² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 112020165798 and 112020165807.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1203117 + ... + 1292876.

Almost surely, 2^112020165840 is an apocalyptic number.

112020165840 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

112020165840 is an abundant number, since it is smaller than the sum of its proper divisors (289096053936).

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

112020165840 is a wasteful number, since it uses less digits than its factorization.

112020165840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2496037 (or 2496031 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 30.

The spelling of 112020165840 in words is "one hundred twelve billion, twenty million, one hundred sixty-five thousand, eight hundred forty".