20325839420 has 24 divisors (see below), whose sum is σ = 43676921904. Its totient is φ = 7941257856.

The previous prime is 20325839393. The next prime is 20325839447. The reversal of 20325839420 is 2493852302.

It is an interprime number because it is at equal distance from previous prime (20325839393) and next prime (20325839447).

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, 11816489 + ... + 11818208.

It is an arithmetic number, because the mean of its divisors is an integer number (1819871746).

Almost surely, 2^20325839420 is an apocalyptic number.

20325839420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20325839420 is an abundant number, since it is smaller than the sum of its proper divisors (23351082484).

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

20325839420 is a wasteful number, since it uses less digits than its factorization.

20325839420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23634749 (or 23634747 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 38.

The spelling of 20325839420 in words is "twenty billion, three hundred twenty-five million, eight hundred thirty-nine thousand, four hundred twenty".