20149478300 has 72 divisors (see below), whose sum is σ = 49991383680. Its totient is φ = 6905534400.

The previous prime is 20149478281. The next prime is 20149478333. The reversal of 20149478300 is 387494102.

20149478300 = 50183² + 50184² + ... + 50190².

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 2355431 + ... + 2363969.

Almost surely, 2^20149478300 is an apocalyptic number.

20149478300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20149478300 is an abundant number, since it is smaller than the sum of its proper divisors (29841905380).

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

20149478300 is a wasteful number, since it uses less digits than its factorization.

20149478300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11931 (or 11924 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 38.

The spelling of 20149478300 in words is "twenty billion, one hundred forty-nine million, four hundred seventy-eight thousand, three hundred".