20133203100 has 36 divisors (see below), whose sum is σ = 58252068504. Its totient is φ = 5368854080.

The previous prime is 20133203099. The next prime is 20133203113. The reversal of 20133203100 is 130233102.

It is a super-2 number, since 2×20133203100² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 20133203100.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 33555039 + ... + 33555638.

It is an arithmetic number, because the mean of its divisors is an integer number (1618113014).

Almost surely, 2^20133203100 is an apocalyptic number.

20133203100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20133203100 is an abundant number, since it is smaller than the sum of its proper divisors (38118865404).

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

20133203100 is a wasteful number, since it uses less digits than its factorization.

20133203100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67110694 (or 67110687 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 15.

Adding to 20133203100 its reverse (130233102), we get a palindrome (20263436202).

The spelling of 20133203100 in words is "twenty billion, one hundred thirty-three million, two hundred three thousand, one hundred".