20310155310253 has 16 divisors (see below), whose sum is σ = 20503662954880. Its totient is φ = 20117472984000.

The previous prime is 20310155310197. The next prime is 20310155310283. The reversal of 20310155310253 is 35201355101302.

It is a cyclic number.

It is not a de Polignac number, because 20310155310253 - 2¹³ = 20310155302061 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20310155310283) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 126235183 + ... + 126395971.

It is an arithmetic number, because the mean of its divisors is an integer number (1281478934680).

Almost surely, 2^{20310155310253} is an apocalyptic number.

It is an amenable number.

20310155310253 is a deficient number, since it is larger than the sum of its proper divisors (193507644627).

20310155310253 is a wasteful number, since it uses less digits than its factorization.

20310155310253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163348.

The product of its (nonzero) digits is 13500, while the sum is 31.

The spelling of 20310155310253 in words is "twenty trillion, three hundred ten billion, one hundred fifty-five million, three hundred ten thousand, two hundred fifty-three".