20201142422220 has 24 divisors (see below), whose sum is σ = 56563198782384. Its totient is φ = 5386971312576.

The previous prime is 20201142422141. The next prime is 20201142422273. The reversal of 20201142422220 is 2222424110202.

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, 168342853459 + ... + 168342853578.

It is an arithmetic number, because the mean of its divisors is an integer number (2356799949266).

Almost surely, 2^{20201142422220} is an apocalyptic number.

20201142422220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20201142422220 is an abundant number, since it is smaller than the sum of its proper divisors (36362056360164).

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

20201142422220 is a wasteful number, since it uses less digits than its factorization.

20201142422220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 336685707049 (or 336685707047 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 24.

Adding to 20201142422220 its reverse (2222424110202), we get a palindrome (22423566532422).

The spelling of 20201142422220 in words is "twenty trillion, two hundred one billion, one hundred forty-two million, four hundred twenty-two thousand, two hundred twenty".