20203202100 has 72 divisors (see below), whose sum is σ = 58487624608. Its totient is φ = 5384476800.

The previous prime is 20203202053. The next prime is 20203202179. The reversal of 20203202100 is 120230202.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

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, 540207 + ... + 576393.

Almost surely, 2^20203202100 is an apocalyptic number.

20203202100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20203202100 is an abundant number, since it is smaller than the sum of its proper divisors (38284422508).

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

20203202100 is a wasteful number, since it uses less digits than its factorization.

20203202100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38065 (or 38058 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 12.

Adding to 20203202100 its reverse (120230202), we get a palindrome (20323432302).

The spelling of 20203202100 in words is "twenty billion, two hundred three million, two hundred two thousand, one hundred".