20415254150 has 24 divisors (see below), whose sum is σ = 38107531944. Its totient is φ = 8137035200.

The previous prime is 20415254143. The next prime is 20415254173. The reversal of 20415254150 is 5145251402.

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 11 ways as a sum of consecutive naturals, for example, 712472 + ... + 740571.

It is an arithmetic number, because the mean of its divisors is an integer number (1587813831).

Almost surely, 2^20415254150 is an apocalyptic number.

20415254150 is a deficient number, since it is larger than the sum of its proper divisors (17692277794).

20415254150 is a wasteful number, since it uses less digits than its factorization.

20415254150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1453336 (or 1453331 counting only the distinct ones).

The product of its (nonzero) digits is 8000, while the sum is 29.

The spelling of 20415254150 in words is "twenty billion, four hundred fifteen million, two hundred fifty-four thousand, one hundred fifty".