20476847352 has 128 divisors (see below), whose sum is σ = 58291027200. Its totient is φ = 5942274048.

The previous prime is 20476847323. The next prime is 20476847389. The reversal of 20476847352 is 25374867402.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1338048 + ... + 1353264.

It is an arithmetic number, because the mean of its divisors is an integer number (455398650).

Almost surely, 2^20476847352 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 20476847352, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29145513600).

20476847352 is an abundant number, since it is smaller than the sum of its proper divisors (37814179848).

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

20476847352 is a wasteful number, since it uses less digits than its factorization.

20476847352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15485 (or 15481 counting only the distinct ones).

The product of its (nonzero) digits is 2257920, while the sum is 48.

The spelling of 20476847352 in words is "twenty billion, four hundred seventy-six million, eight hundred forty-seven thousand, three hundred fifty-two".