20807098632 has 24 divisors (see below), whose sum is σ = 56352558990. Its totient is φ = 6935699520.

The previous prime is 20807098591. The next prime is 20807098639. The reversal of 20807098632 is 23689070802.

20807098632 is a `hidden beast` number, since 2 + 0 + 8 + 0 + 7 + 0 + 9 + 8 + 632 = 666.

It can be written as a sum of positive squares in only one way, i.e., 20703180996 + 103917636 = 143886^2 + 10194^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is not an unprimeable number, because it can be changed into a prime (20807098639) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 144493669 + ... + 144493812.

Almost surely, 2^20807098632 is an apocalyptic number.

It is an amenable number.

20807098632 is an abundant number, since it is smaller than the sum of its proper divisors (35545460358).

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

20807098632 is a wasteful number, since it uses less digits than its factorization.

20807098632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 288987493 (or 288987486 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 45.

The spelling of 20807098632 in words is "twenty billion, eight hundred seven million, ninety-eight thousand, six hundred thirty-two".