220201202120 has 64 divisors (see below), whose sum is σ = 510723636480. Its totient is φ = 85400682496.

The previous prime is 220201202101. The next prime is 220201202149. The reversal of 220201202120 is 21202102022.

It is a junction number, because it is equal to n+sod(n) for n = 220201202095 and 220201202104.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 346169 + ... + 748488.

It is an arithmetic number, because the mean of its divisors is an integer number (7980056820).

Almost surely, 2^220201202120 is an apocalyptic number.

220201202120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220201202120 is an abundant number, since it is smaller than the sum of its proper divisors (290522434360).

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

220201202120 is a wasteful number, since it uses less digits than its factorization.

220201202120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1094822 (or 1094818 counting only the distinct ones).

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

Adding to 220201202120 its reverse (21202102022), we get a palindrome (241403304142).

The spelling of 220201202120 in words is "two hundred twenty billion, two hundred one million, two hundred two thousand, one hundred twenty".