20345430431702 has 8 divisors (see below), whose sum is σ = 30518258604912. Its totient is φ = 10172677563400.

The previous prime is 20345430431659. The next prime is 20345430431723. The reversal of 20345430431702 is 20713403454302.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18145874 + ... + 19234437.

It is an arithmetic number, because the mean of its divisors is an integer number (3814782325614).

Almost surely, 2^{20345430431702} is an apocalyptic number.

20345430431702 is a deficient number, since it is larger than the sum of its proper divisors (10172828173210).

20345430431702 is a wasteful number, since it uses less digits than its factorization.

20345430431702 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37652454.

The product of its (nonzero) digits is 241920, while the sum is 38.

The spelling of 20345430431702 in words is "twenty trillion, three hundred forty-five billion, four hundred thirty million, four hundred thirty-one thousand, seven hundred two".