20634341023100 has 72 divisors (see below), whose sum is σ = 51204776434560. Its totient is φ = 7070261065920.

The previous prime is 20634341023081. The next prime is 20634341023157. The reversal of 20634341023100 is 132014343602.

It is a super-2 number, since 2×20634341023100² (a number of 27 digits) contains 22 as substring.

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, 7970354 + ... + 10236953.

It is an arithmetic number, because the mean of its divisors is an integer number (711177450480).

Almost surely, 2^{20634341023100} is an apocalyptic number.

20634341023100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20634341023100 is an abundant number, since it is smaller than the sum of its proper divisors (30570435411460).

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

20634341023100 is a wasteful number, since it uses less digits than its factorization.

20634341023100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18208947 (or 18208940 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 29.

Adding to 20634341023100 its reverse (132014343602), we get a palindrome (20766355366702).

The spelling of 20634341023100 in words is "twenty trillion, six hundred thirty-four billion, three hundred forty-one million, twenty-three thousand, one hundred".