20344650601488 has 80 divisors (see below), whose sum is σ = 53875591652160. Its totient is φ = 6613498755072.

The previous prime is 20344650601487. The next prime is 20344650601507. The reversal of 20344650601488 is 88410605644302.

It is a self number, because there is not a number n which added to its sum of digits gives 20344650601488.

It is not an unprimeable number, because it can be changed into a prime (20344650601487) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32306806 + ... + 32930517.

It is an arithmetic number, because the mean of its divisors is an integer number (673444895652).

Almost surely, 2^{20344650601488} is an apocalyptic number.

It is an amenable number.

20344650601488 is an abundant number, since it is smaller than the sum of its proper divisors (33530941050672).

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

20344650601488 is a wasteful number, since it uses less digits than its factorization.

20344650601488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65237496 (or 65237490 counting only the distinct ones).

The product of its (nonzero) digits is 4423680, while the sum is 51.

The spelling of 20344650601488 in words is "twenty trillion, three hundred forty-four billion, six hundred fifty million, six hundred one thousand, four hundred eighty-eight".