20743430814 has 48 divisors (see below), whose sum is σ = 45295136640. Its totient is φ = 6860581200.

The previous prime is 20743430809. The next prime is 20743430833. The reversal of 20743430814 is 41803434702.

20743430814 is a `hidden beast` number, since 207 + 4 + 3 + 430 + 8 + 14 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2569917 + ... + 2577975.

It is an arithmetic number, because the mean of its divisors is an integer number (943648680).

Almost surely, 2^20743430814 is an apocalyptic number.

20743430814 is an abundant number, since it is smaller than the sum of its proper divisors (24551705826).

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

20743430814 is a wasteful number, since it uses less digits than its factorization.

20743430814 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9165 (or 9162 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 36.

The spelling of 20743430814 in words is "twenty billion, seven hundred forty-three million, four hundred thirty thousand, eight hundred fourteen".