20202612100 has 36 divisors (see below), whose sum is σ = 47825095248. Its totient is φ = 7346404000.

The previous prime is 20202612077. The next prime is 20202612137. The reversal of 20202612100 is 121620202.

It is a super-3 number, since 3×20202612100³ (a number of 32 digits) contains 333 as substring.

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, 9181906 + ... + 9184105.

It is an arithmetic number, because the mean of its divisors is an integer number (1328474868).

Almost surely, 2^20202612100 is an apocalyptic number.

20202612100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20202612100 is an abundant number, since it is smaller than the sum of its proper divisors (27622483148).

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

20202612100 is a wasteful number, since it uses less digits than its factorization.

20202612100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18366036 (or 18366029 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

The spelling of 20202612100 in words is "twenty billion, two hundred two million, six hundred twelve thousand, one hundred".