20016773063 has 32 divisors (see below), whose sum is σ = 25294934016. Its totient is φ = 15433786368.

The previous prime is 20016772991. The next prime is 20016773089. The reversal of 20016773063 is 36037761002.

It is a happy number.

It is not a de Polignac number, because 20016773063 - 2²⁶ = 19949664199 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 (20016773263) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5233970 + ... + 5237792.

It is an arithmetic number, because the mean of its divisors is an integer number (790466688).

Almost surely, 2^20016773063 is an apocalyptic number.

20016773063 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

20016773063 is a deficient number, since it is larger than the sum of its proper divisors (5278160953).

20016773063 is a wasteful number, since it uses less digits than its factorization.

20016773063 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5783.

The product of its (nonzero) digits is 31752, while the sum is 35.

The spelling of 20016773063 in words is "twenty billion, sixteen million, seven hundred seventy-three thousand, sixty-three".