20088742984 has 32 divisors (see below), whose sum is σ = 39777635520. Its totient is φ = 9491897536.

The previous prime is 20088742969. The next prime is 20088742991. The reversal of 20088742984 is 48924788002.

It is a happy number.

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, 642427 + ... + 672970.

It is an arithmetic number, because the mean of its divisors is an integer number (1243051110).

Almost surely, 2^20088742984 is an apocalyptic number.

It is an amenable number.

20088742984 is a deficient number, since it is larger than the sum of its proper divisors (19688892536).

20088742984 is a wasteful number, since it uses less digits than its factorization.

20088742984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1315509 (or 1315505 counting only the distinct ones).

The product of its (nonzero) digits is 2064384, while the sum is 52.

The spelling of 20088742984 in words is "twenty billion, eighty-eight million, seven hundred forty-two thousand, nine hundred eighty-four".