20088497680 has 40 divisors (see below), whose sum is σ = 46716009984. Its totient is φ = 8033635200.

The previous prime is 20088497659. The next prime is 20088497749. The reversal of 20088497680 is 8679488002.

It is a tau number, because it is divible by the number of its divisors (40).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 375825 + ... + 425935.

Almost surely, 2^20088497680 is an apocalyptic number.

20088497680 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20088497680 is an abundant number, since it is smaller than the sum of its proper divisors (26627512304).

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

20088497680 is a wasteful number, since it uses less digits than its factorization.

20088497680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55135 (or 55129 counting only the distinct ones).

The product of its (nonzero) digits is 1548288, while the sum is 52.

The spelling of 20088497680 in words is "twenty billion, eighty-eight million, four hundred ninety-seven thousand, six hundred eighty".