20933192 has 24 divisors (see below), whose sum is σ = 45658710. Its totient is φ = 8971200.

The previous prime is 20933191. The next prime is 20933203. The reversal of 20933192 is 29133902.

It can be written as a sum of positive squares in only one way, i.e., 19945156 + 988036 = 4466^2 + 994^2 .

It is not an unprimeable number, because it can be changed into a prime (20933191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 26309 + ... + 27092.

Almost surely, 2^20933192 is an apocalyptic number.

It is an amenable number.

20933192 is an abundant number, since it is smaller than the sum of its proper divisors (24725518).

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

20933192 is a wasteful number, since it uses less digits than its factorization.

20933192 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53421 (or 53410 counting only the distinct ones).

The product of its (nonzero) digits is 2916, while the sum is 29.

The square root of 20933192 is about 4575.2805378468. The cubic root of 20933192 is about 275.5995382543.

The spelling of 20933192 in words is "twenty million, nine hundred thirty-three thousand, one hundred ninety-two".