20958142960263 has 16 divisors (see below), whose sum is σ = 30309624255456. Its totient is φ = 12829470581760.

The previous prime is 20958142960217. The next prime is 20958142960291. The reversal of 20958142960263 is 36206924185902.

It is not a de Polignac number, because 20958142960263 - 2¹² = 20958142956167 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20958142968263) 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, 5011509856 + ... + 5011514037.

It is an arithmetic number, because the mean of its divisors is an integer number (1894351515966).

Almost surely, 2^{20958142960263} is an apocalyptic number.

20958142960263 is a deficient number, since it is larger than the sum of its proper divisors (9351481295193).

20958142960263 is a wasteful number, since it uses less digits than its factorization.

20958142960263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10023023954.

The product of its (nonzero) digits is 11197440, while the sum is 57.

The spelling of 20958142960263 in words is "twenty trillion, nine hundred fifty-eight billion, one hundred forty-two million, nine hundred sixty thousand, two hundred sixty-three".