20372185038 has 8 divisors (see below), whose sum is σ = 40744370088. Its totient is φ = 6790728344.

The previous prime is 20372185037. The next prime is 20372185039. The reversal of 20372185038 is 83058127302.

It is an interprime number because it is at equal distance from previous prime (20372185037) and next prime (20372185039).

It is a sphenic number, since it is the product of 3 distinct primes.

20372185038 is an admirable number.

It is a super-2 number, since 2×20372185038² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20372184987 and 20372185005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20372185037) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1697682081 + ... + 1697682092.

It is an arithmetic number, because the mean of its divisors is an integer number (5093046261).

Almost surely, 2^20372185038 is an apocalyptic number.

20372185038 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

20372185038 is a wasteful number, since it uses less digits than its factorization.

20372185038 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3395364178.

The product of its (nonzero) digits is 80640, while the sum is 39.

The spelling of 20372185038 in words is "twenty billion, three hundred seventy-two million, one hundred eighty-five thousand, thirty-eight".