20650873263 has 16 divisors (see below), whose sum is σ = 27985516416. Its totient is φ = 13542328800.

The previous prime is 20650873249. The next prime is 20650873289. The reversal of 20650873263 is 36237805602.

It is a happy number.

It is not a de Polignac number, because 20650873263 - 2¹² = 20650869167 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20650873213) 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, 67620 + ... + 214182.

It is an arithmetic number, because the mean of its divisors is an integer number (1749094776).

Almost surely, 2^20650873263 is an apocalyptic number.

20650873263 is a deficient number, since it is larger than the sum of its proper divisors (7334643153).

20650873263 is a wasteful number, since it uses less digits than its factorization.

20650873263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147334.

The product of its (nonzero) digits is 362880, while the sum is 42.

The spelling of 20650873263 in words is "twenty billion, six hundred fifty million, eight hundred seventy-three thousand, two hundred sixty-three".