20346512555245 has 8 divisors (see below), whose sum is σ = 25700857964640. Its totient is φ = 15420514778640.

The previous prime is 20346512555221. The next prime is 20346512555251. The reversal of 20346512555245 is 54255521564302.

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

It is not a de Polignac number, because 20346512555245 - 2³⁹ = 19796756741357 is a prime.

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, 107086908091 + ... + 107086908280.

It is an arithmetic number, because the mean of its divisors is an integer number (3212607245580).

Almost surely, 2^{20346512555245} is an apocalyptic number.

It is an amenable number.

20346512555245 is a deficient number, since it is larger than the sum of its proper divisors (5354345409395).

20346512555245 is a wasteful number, since it uses less digits than its factorization.

20346512555245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 214173816395.

The product of its (nonzero) digits is 7200000, while the sum is 49.

The spelling of 20346512555245 in words is "twenty trillion, three hundred forty-six billion, five hundred twelve million, five hundred fifty-five thousand, two hundred forty-five".