20333364100 has 72 divisors (see below), whose sum is σ = 50462339648. Its totient is φ = 6966518400.

The previous prime is 20333364067. The next prime is 20333364157. The reversal of 20333364100 is 146333302.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1062214 + ... + 1081186.

Almost surely, 2^20333364100 is an apocalyptic number.

20333364100 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 20333364100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25231169824).

20333364100 is an abundant number, since it is smaller than the sum of its proper divisors (30128975548).

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

20333364100 is a wasteful number, since it uses less digits than its factorization.

20333364100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20525 (or 20518 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 25.

Adding to 20333364100 its reverse (146333302), we get a palindrome (20479697402).

The spelling of 20333364100 in words is "twenty billion, three hundred thirty-three million, three hundred sixty-four thousand, one hundred".