20305010155235 has 16 divisors (see below), whose sum is σ = 26240518849440. Its totient is φ = 14994355875840.

The previous prime is 20305010155223. The next prime is 20305010155249. The reversal of 20305010155235 is 53255101050302.

It is not a de Polignac number, because 20305010155235 - 2²⁰ = 20305009106659 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8052080 + ... + 10268690.

It is an arithmetic number, because the mean of its divisors is an integer number (1640032428090).

Almost surely, 2^{20305010155235} is an apocalyptic number.

20305010155235 is a deficient number, since it is larger than the sum of its proper divisors (5935508694205).

20305010155235 is a wasteful number, since it uses less digits than its factorization.

20305010155235 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2357558.

The product of its (nonzero) digits is 22500, while the sum is 32.

The spelling of 20305010155235 in words is "twenty trillion, three hundred five billion, ten million, one hundred fifty-five thousand, two hundred thirty-five".