100202012202020 has 96 divisors (see below), whose sum is σ = 211553584704000. Its totient is φ = 39866118211584.

The previous prime is 100202012201981. The next prime is 100202012202023. The reversal of 100202012202020 is 20202210202001.

It is a junction number, because it is equal to n+sod(n) for n = 100202012201986 and 100202012202004.

It is not an unprimeable number, because it can be changed into a prime (100202012202023) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 21553452656 + ... + 21553457304.

It is an arithmetic number, because the mean of its divisors is an integer number (2203683174000).

Almost surely, 2^{100202012202020} is an apocalyptic number.

100202012202020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100202012202020 is an abundant number, since it is smaller than the sum of its proper divisors (111351572501980).

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

100202012202020 is a wasteful number, since it uses less digits than its factorization.

100202012202020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9237 (or 9235 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 100202012202020 its reverse (20202210202001), we get a palindrome (120404222404021).

It can be divided in two parts, 10020201 and 2202020, that added together give a palindrome (12222221).

The spelling of 100202012202020 in words is "one hundred trillion, two hundred two billion, twelve million, two hundred two thousand, twenty".