20377051263 has 6 divisors (see below), whose sum is σ = 29433518504. Its totient is φ = 13584700836.

The previous prime is 20377051229. The next prime is 20377051271. The reversal of 20377051263 is 36215077302.

20377051263 is a `hidden beast` number, since 20 + 377 + 0 + 5 + 1 + 263 = 666.

It is not a de Polignac number, because 20377051263 - 2⁹ = 20377050751 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 (20377051213) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1132058395 + ... + 1132058412.

Almost surely, 2^20377051263 is an apocalyptic number.

20377051263 is a deficient number, since it is larger than the sum of its proper divisors (9056467241).

20377051263 is a wasteful number, since it uses less digits than its factorization.

20377051263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2264116813 (or 2264116810 counting only the distinct ones).

The product of its (nonzero) digits is 52920, while the sum is 36.

The spelling of 20377051263 in words is "twenty billion, three hundred seventy-seven million, fifty-one thousand, two hundred sixty-three".