20020303100 has 72 divisors (see below), whose sum is σ = 50349777408. Its totient is φ = 6767409600.

The previous prime is 20020303073. The next prime is 20020303109. The reversal of 20020303100 is 130302002.

It is a super-2 number, since 2×20020303100² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20020303109) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 151712 + ... + 251111.

It is an arithmetic number, because the mean of its divisors is an integer number (699302464).

Almost surely, 2^20020303100 is an apocalyptic number.

20020303100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20020303100 is an abundant number, since it is smaller than the sum of its proper divisors (30329474308).

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

20020303100 is a wasteful number, since it uses less digits than its factorization.

20020303100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 402915 (or 402908 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 11.

Adding to 20020303100 its reverse (130302002), we get a palindrome (20150605102).

The spelling of 20020303100 in words is "twenty billion, twenty million, three hundred three thousand, one hundred".