20373665000 has 160 divisors (see below), whose sum is σ = 53071011840. Its totient is φ = 7279200000.

The previous prime is 20373664981. The next prime is 20373665023. The reversal of 20373665000 is 56637302.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 2009945 + ... + 2020055.

It is an arithmetic number, because the mean of its divisors is an integer number (331693824).

Almost surely, 2^20373665000 is an apocalyptic number.

20373665000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20373665000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26535505920).

20373665000 is an abundant number, since it is smaller than the sum of its proper divisors (32697346840).

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

20373665000 is a wasteful number, since it uses less digits than its factorization.

20373665000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10181 (or 10162 counting only the distinct ones).

The product of its (nonzero) digits is 22680, while the sum is 32.

The spelling of 20373665000 in words is "twenty billion, three hundred seventy-three million, six hundred sixty-five thousand".