20033010100 has 18 divisors (see below), whose sum is σ = 43471632134. Its totient is φ = 8013204000.

The previous prime is 20033010073. The next prime is 20033010113. The reversal of 20033010100 is 101033002.

It can be written as a sum of positive squares in 3 ways, for example, as 26604964 + 20006405136 = 5158^2 + 141444^2 .

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 100164951 + ... + 100165150.

Almost surely, 2^20033010100 is an apocalyptic number.

20033010100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20033010100 is an abundant number, since it is smaller than the sum of its proper divisors (23438622034).

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

20033010100 is a wasteful number, since it uses less digits than its factorization.

20033010100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200330115 (or 200330108 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 10.

Adding to 20033010100 its reverse (101033002), we get a palindrome (20134043102).

It can be divided in two parts, 2003 and 3010100, that added together give a palindrome (3012103).

The spelling of 20033010100 in words is "twenty billion, thirty-three million, ten thousand, one hundred".