20963577883 has 2 divisors, whose sum is σ = 20963577884. Its totient is φ = 20963577882.

The previous prime is 20963577757. The next prime is 20963577977. The reversal of 20963577883 is 38877536902.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20963577883 - 2¹⁷ = 20963446811 is a prime.

It is not a weakly prime, because it can be changed into another prime (20963577983) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10481788941 + 10481788942.

It is an arithmetic number, because the mean of its divisors is an integer number (10481788942).

Almost surely, 2^20963577883 is an apocalyptic number.

20963577883 is a deficient number, since it is larger than the sum of its proper divisors (1).

20963577883 is an equidigital number, since it uses as much as digits as its factorization.

20963577883 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15240960, while the sum is 58.

The spelling of 20963577883 in words is "twenty billion, nine hundred sixty-three million, five hundred seventy-seven thousand, eight hundred eighty-three".