20015374998 has 32 divisors (see below), whose sum is σ = 42329935872. Its totient is φ = 6299092800.

The previous prime is 20015374963. The next prime is 20015374999. The reversal of 20015374998 is 89947351002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20015374999) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 1304686 + ... + 1319937.

It is an arithmetic number, because the mean of its divisors is an integer number (1322810496).

Almost surely, 2^20015374998 is an apocalyptic number.

20015374998 is an abundant number, since it is smaller than the sum of its proper divisors (22314560874).

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

20015374998 is a wasteful number, since it uses less digits than its factorization.

20015374998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2624700.

The product of its (nonzero) digits is 544320, while the sum is 48.

The spelling of 20015374998 in words is "twenty billion, fifteen million, three hundred seventy-four thousand, nine hundred ninety-eight".