20162344544 has 24 divisors (see below), whose sum is σ = 39770546760. Its totient is φ = 10061888256.

The previous prime is 20162344507. The next prime is 20162344549. The reversal of 20162344544 is 44544326102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20162344549) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 585629 + ... + 619100.

It is an arithmetic number, because the mean of its divisors is an integer number (1657106115).

Almost surely, 2^20162344544 is an apocalyptic number.

It is an amenable number.

20162344544 is a deficient number, since it is larger than the sum of its proper divisors (19608202216).

20162344544 is a wasteful number, since it uses less digits than its factorization.

20162344544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1205262 (or 1205254 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 35.

The spelling of 20162344544 in words is "twenty billion, one hundred sixty-two million, three hundred forty-four thousand, five hundred forty-four".