20370956 has 12 divisors (see below), whose sum is σ = 35695968. Its totient is φ = 10172112.

The previous prime is 20370929. The next prime is 20370967. The reversal of 20370956 is 65907302.

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, 605 + ... + 6411.

It is an arithmetic number, because the mean of its divisors is an integer number (2974664).

Almost surely, 2^20370956 is an apocalyptic number.

It is an amenable number.

20370956 is a deficient number, since it is larger than the sum of its proper divisors (15325012).

20370956 is a wasteful number, since it uses less digits than its factorization.

20370956 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6688 (or 6686 counting only the distinct ones).

The product of its (nonzero) digits is 11340, while the sum is 32.

The square root of 20370956 is about 4513.4195461978. The cubic root of 20370956 is about 273.1097073687.

The spelling of 20370956 in words is "twenty million, three hundred seventy thousand, nine hundred fifty-six".