20430354702 has 16 divisors (see below), whose sum is σ = 40863969792. Its totient is φ = 6809574840.

The previous prime is 20430354649. The next prime is 20430354733. The reversal of 20430354702 is 20745303402.

It is a self number, because there is not a number n which added to its sum of digits gives 20430354702.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50238 + ... + 208289.

It is an arithmetic number, because the mean of its divisors is an integer number (2553998112).

Almost surely, 2^20430354702 is an apocalyptic number.

20430354702 is an abundant number, since it is smaller than the sum of its proper divisors (20433615090).

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

20430354702 is a wasteful number, since it uses less digits than its factorization.

20430354702 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 271703.

The product of its (nonzero) digits is 20160, while the sum is 30.

The spelling of 20430354702 in words is "twenty billion, four hundred thirty million, three hundred fifty-four thousand, seven hundred two".