20487777303 has 16 divisors (see below), whose sum is σ = 31541323520. Its totient is φ = 11586606336.

The previous prime is 20487777283. The next prime is 20487777389. The reversal of 20487777303 is 30377778402.

It is not a de Polignac number, because 20487777303 - 2³³ = 11897842711 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20487777503) 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, 5026873 + ... + 5030946.

It is an arithmetic number, because the mean of its divisors is an integer number (1971332720).

Almost surely, 2^20487777303 is an apocalyptic number.

20487777303 is a deficient number, since it is larger than the sum of its proper divisors (11053546217).

20487777303 is a wasteful number, since it uses less digits than its factorization.

20487777303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10057926.

The product of its (nonzero) digits is 1382976, while the sum is 48.

The spelling of 20487777303 in words is "twenty billion, four hundred eighty-seven million, seven hundred seventy-seven thousand, three hundred three".