20500952 has 8 divisors (see below), whose sum is σ = 38439300. Its totient is φ = 10250472.

The previous prime is 20500939. The next prime is 20500957. The reversal of 20500952 is 25900502.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20500957) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1281302 + ... + 1281317.

Almost surely, 2^20500952 is an apocalyptic number.

It is an amenable number.

20500952 is a deficient number, since it is larger than the sum of its proper divisors (17938348).

20500952 is a wasteful number, since it uses less digits than its factorization.

20500952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2562625 (or 2562621 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 23.

The square root of 20500952 is about 4527.7976986610. The cubic root of 20500952 is about 273.6894202320.

The spelling of 20500952 in words is "twenty million, five hundred thousand, nine hundred fifty-two".