20623537076 has 12 divisors (see below), whose sum is σ = 36095666208. Its totient is φ = 10310489592.

The previous prime is 20623537069. The next prime is 20623537091. The reversal of 20623537076 is 67073532602.

It is a congruent number.

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, 282986 + ... + 348321.

It is an arithmetic number, because the mean of its divisors is an integer number (3007972184).

Almost surely, 2^20623537076 is an apocalyptic number.

It is an amenable number.

20623537076 is a deficient number, since it is larger than the sum of its proper divisors (15472129132).

20623537076 is a wasteful number, since it uses less digits than its factorization.

20623537076 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 639478 (or 639476 counting only the distinct ones).

The product of its (nonzero) digits is 317520, while the sum is 41.

The spelling of 20623537076 in words is "twenty billion, six hundred twenty-three million, five hundred thirty-seven thousand, seventy-six".