20338677182 has 16 divisors (see below), whose sum is σ = 31399477632. Its totient is φ = 9876460440.

The previous prime is 20338677181. The next prime is 20338677187. The reversal of 20338677182 is 28177683302.

It is a super-2 number, since 2×20338677182² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20338677181) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1059368 + ... + 1078395.

It is an arithmetic number, because the mean of its divisors is an integer number (1962467352).

Almost surely, 2^20338677182 is an apocalyptic number.

20338677182 is a deficient number, since it is larger than the sum of its proper divisors (11060800450).

20338677182 is a wasteful number, since it uses less digits than its factorization.

20338677182 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2137903.

The product of its (nonzero) digits is 677376, while the sum is 47.

The spelling of 20338677182 in words is "twenty billion, three hundred thirty-eight million, six hundred seventy-seven thousand, one hundred eighty-two".