20933612 has 24 divisors (see below), whose sum is σ = 42760704. Its totient is φ = 8780112.

The previous prime is 20933603. The next prime is 20933623. The reversal of 20933612 is 21633902.

It is a super-2 number, since 2×20933612² = 876432222733088, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6638 + ... + 9269.

It is an arithmetic number, because the mean of its divisors is an integer number (1781696).

Almost surely, 2^20933612 is an apocalyptic number.

It is an amenable number.

20933612 is an abundant number, since it is smaller than the sum of its proper divisors (21827092).

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

20933612 is a wasteful number, since it uses less digits than its factorization.

20933612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15965 (or 15963 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 26.

The square root of 20933612 is about 4575.3264364414. The cubic root of 20933612 is about 275.6013814361.

The spelling of 20933612 in words is "twenty million, nine hundred thirty-three thousand, six hundred twelve".