20423034522120 has 64 divisors (see below), whose sum is σ = 61269571117440. Its totient is φ = 5446100979200.

The previous prime is 20423034522103. The next prime is 20423034522133. The reversal of 20423034522120 is 2122543032402.

It is a Harshad number since it is a multiple of its sum of digits (30).

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, 17170285 + ... + 18321155.

It is an arithmetic number, because the mean of its divisors is an integer number (957337048710).

Almost surely, 2^{20423034522120} is an apocalyptic number.

20423034522120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20423034522120 is an abundant number, since it is smaller than the sum of its proper divisors (40846536595320).

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

20423034522120 is a wasteful number, since it uses less digits than its factorization.

20423034522120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1298766 (or 1298762 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 30.

Adding to 20423034522120 its reverse (2122543032402), we get a palindrome (22545577554522).

The spelling of 20423034522120 in words is "twenty trillion, four hundred twenty-three billion, thirty-four million, five hundred twenty-two thousand, one hundred twenty".