20430502350 has 48 divisors (see below), whose sum is σ = 50685438960. Its totient is φ = 5446220800.

The previous prime is 20430502331. The next prime is 20430502397. The reversal of 20430502350 is 5320503402.

It is a self number, because there is not a number n which added to its sum of digits gives 20430502350.

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, 433756 + ... + 478544.

It is an arithmetic number, because the mean of its divisors is an integer number (1055946645).

Almost surely, 2^20430502350 is an apocalyptic number.

20430502350 is an abundant number, since it is smaller than the sum of its proper divisors (30254936610).

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

20430502350 is a wasteful number, since it uses less digits than its factorization.

20430502350 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47845 (or 47840 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 24.

The spelling of 20430502350 in words is "twenty billion, four hundred thirty million, five hundred two thousand, three hundred fifty".