20158420304 has 20 divisors (see below), whose sum is σ = 42607570560. Its totient is φ = 9162918240.

The previous prime is 20158420297. The next prime is 20158420333. The reversal of 20158420304 is 40302485102.

It is a happy number.

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 3 ways as a sum of consecutive naturals, for example, 57268064 + ... + 57268415.

It is an arithmetic number, because the mean of its divisors is an integer number (2130378528).

Almost surely, 2^20158420304 is an apocalyptic number.

It is an amenable number.

20158420304 is an abundant number, since it is smaller than the sum of its proper divisors (22449150256).

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

20158420304 is a wasteful number, since it uses less digits than its factorization.

20158420304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114536498 (or 114536492 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 29.

The spelling of 20158420304 in words is "twenty billion, one hundred fifty-eight million, four hundred twenty thousand, three hundred four".