20343755504 has 20 divisors (see below), whose sum is σ = 39890920776. Its totient is φ = 10049324352.

The previous prime is 20343755503. The next prime is 20343755513. The reversal of 20343755504 is 40555734302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20343755503) 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, 7658219 + ... + 7660874.

Almost surely, 2^20343755504 is an apocalyptic number.

It is an amenable number.

20343755504 is a deficient number, since it is larger than the sum of its proper divisors (19547165272).

20343755504 is a wasteful number, since it uses less digits than its factorization.

20343755504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15319184 (or 15319178 counting only the distinct ones).

The product of its (nonzero) digits is 252000, while the sum is 38.

The spelling of 20343755504 in words is "twenty billion, three hundred forty-three million, seven hundred fifty-five thousand, five hundred four".