20122022340420 has 384 divisors, whose sum is σ = 78936576122880. Its totient is φ = 3691761131520.

The previous prime is 20122022340401. The next prime is 20122022340437. The reversal of 20122022340420 is 2404322022102.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 5901925 + ... + 8664684.

It is an arithmetic number, because the mean of its divisors is an integer number (205564000320).

Almost surely, 2^{20122022340420} is an apocalyptic number.

20122022340420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20122022340420 is an abundant number, since it is smaller than the sum of its proper divisors (58814553782460).

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

20122022340420 is a wasteful number, since it uses less digits than its factorization.

20122022340420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14566675 (or 14566673 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 24.

Adding to 20122022340420 its reverse (2404322022102), we get a palindrome (22526344362522).

The spelling of 20122022340420 in words is "twenty trillion, one hundred twenty-two billion, twenty-two million, three hundred forty thousand, four hundred twenty".