20073860 has 12 divisors (see below), whose sum is σ = 42155148. Its totient is φ = 8029536.

The previous prime is 20073857. The next prime is 20073877. The reversal of 20073860 is 6837002.

It can be written as a sum of positive squares in 2 ways, for example, as 6071296 + 14002564 = 2464^2 + 3742^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 501827 + ... + 501866.

It is an arithmetic number, because the mean of its divisors is an integer number (3512929).

Almost surely, 2^20073860 is an apocalyptic number.

20073860 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20073860 is an abundant number, since it is smaller than the sum of its proper divisors (22081288).

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

20073860 is a wasteful number, since it uses less digits than its factorization.

20073860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1003702 (or 1003700 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 26.

The square root of 20073860 is about 4480.3861440729. The cubic root of 20073860 is about 271.7754959777.

The spelling of 20073860 in words is "twenty million, seventy-three thousand, eight hundred sixty".