10202011100220 has 24 divisors (see below), whose sum is σ = 28565631080784. Its totient is φ = 2720536293376.

The previous prime is 10202011100219. The next prime is 10202011100273. The reversal of 10202011100220 is 2200111020201.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 10202011100196 and 10202011100205.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 85016759109 + ... + 85016759228.

It is an arithmetic number, because the mean of its divisors is an integer number (1190234628366).

Almost surely, 2^{10202011100220} is an apocalyptic number.

10202011100220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10202011100220 is an abundant number, since it is smaller than the sum of its proper divisors (18363619980564).

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

10202011100220 is a wasteful number, since it uses less digits than its factorization.

10202011100220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170033518349 (or 170033518347 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 10202011100220 its reverse (2200111020201), we get a palindrome (12402122120421).

The spelling of 10202011100220 in words is "ten trillion, two hundred two billion, eleven million, one hundred thousand, two hundred twenty".