20337446448 has 120 divisors (see below), whose sum is σ = 62188251840. Its totient is φ = 6153194880.

The previous prime is 20337446419. The next prime is 20337446471. The reversal of 20337446448 is 84464473302.

It is a super-2 number, since 2×20337446448² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1034115 + ... + 1053597.

It is an arithmetic number, because the mean of its divisors is an integer number (518235432).

Almost surely, 2^20337446448 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 20337446448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31094125920).

20337446448 is an abundant number, since it is smaller than the sum of its proper divisors (41850805392).

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

20337446448 is a wasteful number, since it uses less digits than its factorization.

20337446448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20167 (or 20158 counting only the distinct ones).

The product of its (nonzero) digits is 1548288, while the sum is 45.

The spelling of 20337446448 in words is "twenty billion, three hundred thirty-seven million, four hundred forty-six thousand, four hundred forty-eight".