20368850 has 12 divisors (see below), whose sum is σ = 37886154. Its totient is φ = 8147520.

The previous prime is 20368849. The next prime is 20368853. The reversal of 20368850 is 5886302.

It can be written as a sum of positive squares in 3 ways, for example, as 18671041 + 1697809 = 4321^2 + 1303^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (20368853) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 203639 + ... + 203738.

Almost surely, 2^20368850 is an apocalyptic number.

20368850 is a deficient number, since it is larger than the sum of its proper divisors (17517304).

20368850 is a wasteful number, since it uses less digits than its factorization.

20368850 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 407389 (or 407384 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 32.

The square root of 20368850 is about 4513.1862359092. The cubic root of 20368850 is about 273.1002954578.

The spelling of 20368850 in words is "twenty million, three hundred sixty-eight thousand, eight hundred fifty".