20322519420 has 96 divisors (see below), whose sum is σ = 65065061376. Its totient is φ = 4642790400.

The previous prime is 20322519419. The next prime is 20322519467. The reversal of 20322519420 is 2491522302.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 896425 + ... + 918815.

It is an arithmetic number, because the mean of its divisors is an integer number (677761056).

Almost surely, 2^20322519420 is an apocalyptic number.

20322519420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20322519420 is an abundant number, since it is smaller than the sum of its proper divisors (44742541956).

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

20322519420 is a wasteful number, since it uses less digits than its factorization.

20322519420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24571 (or 24569 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 30.

The spelling of 20322519420 in words is "twenty billion, three hundred twenty-two million, five hundred nineteen thousand, four hundred twenty".