20315277076 has 12 divisors (see below), whose sum is σ = 35624739808. Its totient is φ = 10136779992.

The previous prime is 20315277061. The next prime is 20315277107. The reversal of 20315277076 is 67077251302.

It is a happy number.

It is a super-2 number, since 2×20315277076² (a number of 21 digits) contains 22 as substring.

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, 5212446 + ... + 5216341.

Almost surely, 2^20315277076 is an apocalyptic number.

It is an amenable number.

20315277076 is a deficient number, since it is larger than the sum of its proper divisors (15309462732).

20315277076 is a wasteful number, since it uses less digits than its factorization.

20315277076 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10429278 (or 10429276 counting only the distinct ones).

The product of its (nonzero) digits is 123480, while the sum is 40.

The spelling of 20315277076 in words is "twenty billion, three hundred fifteen million, two hundred seventy-seven thousand, seventy-six".