20243304100 has 18 divisors (see below), whose sum is σ = 43927970114. Its totient is φ = 8097321600.

The previous prime is 20243304073. The next prime is 20243304127. The reversal of 20243304100 is 140334202.

It is an interprime number because it is at equal distance from previous prime (20243304073) and next prime (20243304127).

It can be written as a sum of positive squares in 3 ways, for example, as 5818333284 + 14424970816 = 76278^2 + 120104^2 .

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, 101216421 + ... + 101216620.

Almost surely, 2^20243304100 is an apocalyptic number.

20243304100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20243304100 is an abundant number, since it is smaller than the sum of its proper divisors (23684666014).

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

20243304100 is a wasteful number, since it uses less digits than its factorization.

20243304100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202433055 (or 202433048 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 19.

Adding to 20243304100 its reverse (140334202), we get a palindrome (20383638302).

The spelling of 20243304100 in words is "twenty billion, two hundred forty-three million, three hundred four thousand, one hundred".