201422100020 has 24 divisors (see below), whose sum is σ = 424138977024. Its totient is φ = 80349303456.

The previous prime is 201422100001. The next prime is 201422100071. The reversal of 201422100020 is 20001224102.

It is a junction number, because it is equal to n+sod(n) for n = 201422099968 and 201422100004.

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, 13713512 + ... + 13728191.

It is an arithmetic number, because the mean of its divisors is an integer number (17672457376).

Almost surely, 2^201422100020 is an apocalyptic number.

201422100020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201422100020 is an abundant number, since it is smaller than the sum of its proper divisors (222716877004).

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

201422100020 is a wasteful number, since it uses less digits than its factorization.

201422100020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27442079 (or 27442077 counting only the distinct ones).

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

Adding to 201422100020 its reverse (20001224102), we get a palindrome (221423324122).

The spelling of 201422100020 in words is "two hundred one billion, four hundred twenty-two million, one hundred thousand, twenty".