20326435792 has 60 divisors (see below), whose sum is σ = 42971205024. Its totient is φ = 9309655680.

The previous prime is 20326435751. The next prime is 20326435823. The reversal of 20326435792 is 29753462302.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 325533 + ... + 382915.

Almost surely, 2^20326435792 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20326435792, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21485602512).

20326435792 is an abundant number, since it is smaller than the sum of its proper divisors (22644769232).

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

20326435792 is a wasteful number, since it uses less digits than its factorization.

20326435792 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57548 (or 57529 counting only the distinct ones).

The product of its (nonzero) digits is 544320, while the sum is 43.

The spelling of 20326435792 in words is "twenty billion, three hundred twenty-six million, four hundred thirty-five thousand, seven hundred ninety-two".