20363046221 has 16 divisors (see below), whose sum is σ = 23626574976. Its totient is φ = 17188307136.

The previous prime is 20363046217. The next prime is 20363046227. The reversal of 20363046221 is 12264036302.

It is not a de Polignac number, because 20363046221 - 2² = 20363046217 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 (20363046227) 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, 2940455 + ... + 2947371.

It is an arithmetic number, because the mean of its divisors is an integer number (1476660936).

Almost surely, 2^20363046221 is an apocalyptic number.

It is an amenable number.

20363046221 is a deficient number, since it is larger than the sum of its proper divisors (3263528755).

20363046221 is an equidigital number, since it uses as much as digits as its factorization.

20363046221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13268.

The product of its (nonzero) digits is 10368, while the sum is 29.

The spelling of 20363046221 in words is "twenty billion, three hundred sixty-three million, forty-six thousand, two hundred twenty-one".