20310120652604 has 12 divisors (see below), whose sum is σ = 35542743504744. Its totient is φ = 10155051079824.

The previous prime is 20310120652573. The next prime is 20310120652709. The reversal of 20310120652604 is 40625602101302.

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, 5769539 + ... + 8596965.

It is an arithmetic number, because the mean of its divisors is an integer number (2961895292062).

Almost surely, 2^{20310120652604} is an apocalyptic number.

It is an amenable number.

20310120652604 is a deficient number, since it is larger than the sum of its proper divisors (15232622852140).

20310120652604 is a wasteful number, since it uses less digits than its factorization.

20310120652604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4623244 (or 4623242 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 32.

Adding to 20310120652604 its reverse (40625602101302), we get a palindrome (60935722753906).

The spelling of 20310120652604 in words is "twenty trillion, three hundred ten billion, one hundred twenty million, six hundred fifty-two thousand, six hundred four".