20950936 has 32 divisors (see below), whose sum is σ = 41955840. Its totient is φ = 9773568.

The previous prime is 20950913. The next prime is 20950997. The reversal of 20950936 is 63905902.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16666 + ... + 17878.

It is an arithmetic number, because the mean of its divisors is an integer number (1311120).

Almost surely, 2^20950936 is an apocalyptic number.

It is an amenable number.

20950936 is an abundant number, since it is smaller than the sum of its proper divisors (21004904).

20950936 is a wasteful number, since it uses less digits than its factorization.

20950936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1363 (or 1359 counting only the distinct ones).

The product of its (nonzero) digits is 14580, while the sum is 34.

The square root of 20950936 is about 4577.2192431650. The cubic root of 20950936 is about 275.6773868233.

The spelling of 20950936 in words is "twenty million, nine hundred fifty thousand, nine hundred thirty-six".