20027657036 has 24 divisors (see below), whose sum is σ = 36056512800. Its totient is φ = 9726711552.

The previous prime is 20027657011. The next prime is 20027657051. The reversal of 20027657036 is 63075672002.

It is a super-2 number, since 2×20027657036² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26336 + ... + 201863.

It is an arithmetic number, because the mean of its divisors is an integer number (1502354700).

Almost surely, 2^20027657036 is an apocalyptic number.

It is an amenable number.

20027657036 is a deficient number, since it is larger than the sum of its proper divisors (16028855764).

20027657036 is a wasteful number, since it uses less digits than its factorization.

20027657036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 228833 (or 228831 counting only the distinct ones).

The product of its (nonzero) digits is 105840, while the sum is 38.

The spelling of 20027657036 in words is "twenty billion, twenty-seven million, six hundred fifty-seven thousand, thirty-six".