20486333263 has 16 divisors (see below), whose sum is σ = 22482904320. Its totient is φ = 18512435200.

The previous prime is 20486333261. The next prime is 20486333281. The reversal of 20486333263 is 36233368402.

It is a cyclic number.

It is not a de Polignac number, because 20486333263 - 2¹ = 20486333261 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 (20486333261) 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, 1380678 + ... + 1395436.

It is an arithmetic number, because the mean of its divisors is an integer number (1405181520).

Almost surely, 2^20486333263 is an apocalyptic number.

20486333263 is a deficient number, since it is larger than the sum of its proper divisors (1996571057).

20486333263 is a wasteful number, since it uses less digits than its factorization.

20486333263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15518.

The product of its (nonzero) digits is 373248, while the sum is 40.

The spelling of 20486333263 in words is "twenty billion, four hundred eighty-six million, three hundred thirty-three thousand, two hundred sixty-three".