20010022100 has 36 divisors (see below), whose sum is σ = 43433678400. Its totient is φ = 8001809760.

The previous prime is 20010022099. The next prime is 20010022117. The reversal of 20010022100 is 122001002.

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, 366371 + ... + 417429.

Almost surely, 2^20010022100 is an apocalyptic number.

20010022100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20010022100 is an abundant number, since it is smaller than the sum of its proper divisors (23423656300).

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

20010022100 is a wasteful number, since it uses less digits than its factorization.

20010022100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54992 (or 54985 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 8.

Adding to 20010022100 its reverse (122001002), we get a palindrome (20132023102).

The spelling of 20010022100 in words is "twenty billion, ten million, twenty-two thousand, one hundred".