20222400353 has 4 divisors (see below), whose sum is σ = 20266651140. Its totient is φ = 20178149568.

The previous prime is 20222400311. The next prime is 20222400361. The reversal of 20222400353 is 35300422202.

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

It can be written as a sum of positive squares in 2 ways, for example, as 19474760704 + 747639649 = 139552^2 + 27343^2 .

It is a cyclic number.

It is not a de Polignac number, because 20222400353 - 2¹⁴ = 20222383969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20222400053) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22124708 + ... + 22125621.

It is an arithmetic number, because the mean of its divisors is an integer number (5066662785).

Almost surely, 2^20222400353 is an apocalyptic number.

It is an amenable number.

20222400353 is a deficient number, since it is larger than the sum of its proper divisors (44250787).

20222400353 is an equidigital number, since it uses as much as digits as its factorization.

20222400353 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44250786.

The product of its (nonzero) digits is 2880, while the sum is 23.

Adding to 20222400353 its reverse (35300422202), we get a palindrome (55522822555).

The spelling of 20222400353 in words is "twenty billion, two hundred twenty-two million, four hundred thousand, three hundred fifty-three".