20807604412 has 36 divisors (see below), whose sum is σ = 42834309840. Its totient is φ = 8817340224.

The previous prime is 20807604401. The next prime is 20807604439. The reversal of 20807604412 is 21440670802.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 578968 + ... + 613855.

It is an arithmetic number, because the mean of its divisors is an integer number (1189841940).

Almost surely, 2^20807604412 is an apocalyptic number.

It is an amenable number.

20807604412 is an abundant number, since it is smaller than the sum of its proper divisors (22026705428).

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

20807604412 is a wasteful number, since it uses less digits than its factorization.

20807604412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1192930 (or 1192921 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 34.

The spelling of 20807604412 in words is "twenty billion, eight hundred seven million, six hundred four thousand, four hundred twelve".