20588734345 has 8 divisors (see below), whose sum is σ = 24707551680. Its totient is φ = 16470273840.

The previous prime is 20588734337. The next prime is 20588734379. The reversal of 20588734345 is 54343788502.

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

It is not a de Polignac number, because 20588734345 - 2³ = 20588734337 is a prime.

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, 60610 + ... + 211780.

It is an arithmetic number, because the mean of its divisors is an integer number (3088443960).

Almost surely, 2^20588734345 is an apocalyptic number.

It is an amenable number.

20588734345 is a deficient number, since it is larger than the sum of its proper divisors (4118817335).

20588734345 is a wasteful number, since it uses less digits than its factorization.

20588734345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178415.

The product of its (nonzero) digits is 3225600, while the sum is 49.

The spelling of 20588734345 in words is "twenty billion, five hundred eighty-eight million, seven hundred thirty-four thousand, three hundred forty-five".