20297050 has 24 divisors (see below), whose sum is σ = 38677212. Its totient is φ = 7920000.

The previous prime is 20297041. The next prime is 20297131. The reversal of 20297050 is 5079202.

It can be written as a sum of positive squares in 6 ways, for example, as 7502121 + 12794929 = 2739^2 + 3577^2 .

It is a Harshad number since it is a multiple of its sum of digits (25).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2901 + ... + 7000.

Almost surely, 2^20297050 is an apocalyptic number.

20297050 is a deficient number, since it is larger than the sum of its proper divisors (18380162).

20297050 is a wasteful number, since it uses less digits than its factorization.

20297050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9954 (or 9949 counting only the distinct ones).

The product of its (nonzero) digits is 1260, while the sum is 25.

The square root of 20297050 is about 4505.2247446715. The cubic root of 20297050 is about 272.7790257006.

The spelling of 20297050 in words is "twenty million, two hundred ninety-seven thousand, fifty".