20442015948 has 24 divisors (see below), whose sum is σ = 48120146928. Its totient is φ = 6753703936.

The previous prime is 20442015947. The next prime is 20442015949. The reversal of 20442015948 is 84951024402.

It is an interprime number because it is at equal distance from previous prime (20442015947) and next prime (20442015949).

It is not an unprimeable number, because it can be changed into a prime (20442015943) 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, 7536261 + ... + 7538972.

It is an arithmetic number, because the mean of its divisors is an integer number (2005006122).

Almost surely, 2^20442015948 is an apocalyptic number.

It is an amenable number.

20442015948 is an abundant number, since it is smaller than the sum of its proper divisors (27678130980).

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

20442015948 is a wasteful number, since it uses less digits than its factorization.

20442015948 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15075353 (or 15075351 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 39.

The spelling of 20442015948 in words is "twenty billion, four hundred forty-two million, fifteen thousand, nine hundred forty-eight".