20341024100 has 72 divisors (see below), whose sum is σ = 44712424680. Its totient is φ = 8031467520.

The previous prime is 20341024097. The next prime is 20341024129. The reversal of 20341024100 is 142014302.

It can be written as a sum of positive squares in 12 ways, for example, as 6610340416 + 13730683684 = 81304^2 + 117178^2 .

It is a super-2 number, since 2×20341024100² (a number of 21 digits) contains 22 as substring.

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, 3015932 + ... + 3022668.

Almost surely, 2^20341024100 is an apocalyptic number.

20341024100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20341024100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22356212340).

20341024100 is an abundant number, since it is smaller than the sum of its proper divisors (24371400580).

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

20341024100 is a wasteful number, since it uses less digits than its factorization.

20341024100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7137 (or 7130 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 20341024100 its reverse (142014302), we get a palindrome (20483038402).

The spelling of 20341024100 in words is "twenty billion, three hundred forty-one million, twenty-four thousand, one hundred".