20214554263 has 4 divisors (see below), whose sum is σ = 20218482288. Its totient is φ = 20210626240.

The previous prime is 20214554257. The next prime is 20214554273. The reversal of 20214554263 is 36245541202.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 20214554263 - 2¹⁷ = 20214423191 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 (20214554273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1956283 + ... + 1966588.

It is an arithmetic number, because the mean of its divisors is an integer number (5054620572).

Almost surely, 2^20214554263 is an apocalyptic number.

20214554263 is a deficient number, since it is larger than the sum of its proper divisors (3928025).

20214554263 is an equidigital number, since it uses as much as digits as its factorization.

20214554263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3928024.

The product of its (nonzero) digits is 57600, while the sum is 34.

The spelling of 20214554263 in words is "twenty billion, two hundred fourteen million, five hundred fifty-four thousand, two hundred sixty-three".