20100322100 has 36 divisors (see below), whose sum is σ = 43624291200. Its totient is φ = 8038913760.

The previous prime is 20100322061. The next prime is 20100322139. The reversal of 20100322100 is 122300102.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (20100322061) and next prime (20100322139).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 963581 + ... + 984219.

Almost surely, 2^20100322100 is an apocalyptic number.

20100322100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20100322100 is an abundant number, since it is smaller than the sum of its proper divisors (23523969100).

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

20100322100 is a wasteful number, since it uses less digits than its factorization.

20100322100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30392 (or 30385 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 11.

Adding to 20100322100 its reverse (122300102), we get a palindrome (20222622202).

The spelling of 20100322100 in words is "twenty billion, one hundred million, three hundred twenty-two thousand, one hundred".