20689482404 has 12 divisors (see below), whose sum is σ = 36368957184. Its totient is φ = 10298351784.

The previous prime is 20689482389. The next prime is 20689482421. The reversal of 20689482404 is 40428498602.

It is a happy number.

It is a hoax number, since the sum of its digits (47) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11596352 + ... + 11598135.

It is an arithmetic number, because the mean of its divisors is an integer number (3030746432).

Almost surely, 2^20689482404 is an apocalyptic number.

It is an amenable number.

20689482404 is a deficient number, since it is larger than the sum of its proper divisors (15679474780).

20689482404 is a wasteful number, since it uses less digits than its factorization.

20689482404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23194714 (or 23194712 counting only the distinct ones).

The product of its (nonzero) digits is 884736, while the sum is 47.

The spelling of 20689482404 in words is "twenty billion, six hundred eighty-nine million, four hundred eighty-two thousand, four hundred four".