20474648332 has 24 divisors (see below), whose sum is σ = 35964502560. Its totient is φ = 10199114880.

The previous prime is 20474648317. The next prime is 20474648333. The reversal of 20474648332 is 23384647402.

It is a super-2 number, since 2×20474648332² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20474648333) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2888769 + ... + 2895847.

It is an arithmetic number, because the mean of its divisors is an integer number (1498520940).

Almost surely, 2^20474648332 is an apocalyptic number.

It is an amenable number.

20474648332 is a deficient number, since it is larger than the sum of its proper divisors (15489854228).

20474648332 is a wasteful number, since it uses less digits than its factorization.

20474648332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9681 (or 9679 counting only the distinct ones).

The product of its (nonzero) digits is 774144, while the sum is 43.

The spelling of 20474648332 in words is "twenty billion, four hundred seventy-four million, six hundred forty-eight thousand, three hundred thirty-two".