201112022420 has 48 divisors (see below), whose sum is σ = 423441435648. Its totient is φ = 80234375040.

The previous prime is 201112022393. The next prime is 201112022467. The reversal of 201112022420 is 24220211102.

It is a congruent number.

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, 13319075 + ... + 13334165.

It is an arithmetic number, because the mean of its divisors is an integer number (8821696576).

Almost surely, 2^201112022420 is an apocalyptic number.

201112022420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201112022420 is an abundant number, since it is smaller than the sum of its proper divisors (222329413228).

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

201112022420 is a wasteful number, since it uses less digits than its factorization.

201112022420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16800 (or 16798 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 201112022420 its reverse (24220211102), we get a palindrome (225332233522).

The spelling of 201112022420 in words is "two hundred one billion, one hundred twelve million, twenty-two thousand, four hundred twenty".