20368898 has 24 divisors (see below), whose sum is σ = 34073004. Its totient is φ = 9123840.

The previous prime is 20368897. The next prime is 20368903. The reversal of 20368898 is 89886302.

It can be written as a sum of positive squares in 2 ways, for example, as 19651489 + 717409 = 4433^2 + 847^2 .

It is not an unprimeable number, because it can be changed into a prime (20368897) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17090 + ... + 18242.

Almost surely, 2^20368898 is an apocalyptic number.

20368898 is a deficient number, since it is larger than the sum of its proper divisors (13704106).

20368898 is a wasteful number, since it uses less digits than its factorization.

20368898 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1250 (or 1239 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 44.

The square root of 20368898 is about 4513.1915536569. The cubic root of 20368898 is about 273.1005099815.

The spelling of 20368898 in words is "twenty million, three hundred sixty-eight thousand, eight hundred ninety-eight".