20442204254 has 8 divisors (see below), whose sum is σ = 30663919440. Its totient is φ = 10220897776.

The previous prime is 20442204239. The next prime is 20442204269. The reversal of 20442204254 is 45240224402.

It is an interprime number because it is at equal distance from previous prime (20442204239) and next prime (20442204269).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 116282 + ... + 233250.

It is an arithmetic number, because the mean of its divisors is an integer number (3832989930).

Almost surely, 2^20442204254 is an apocalyptic number.

20442204254 is a deficient number, since it is larger than the sum of its proper divisors (10221715186).

20442204254 is a wasteful number, since it uses less digits than its factorization.

20442204254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 204354.

The product of its (nonzero) digits is 20480, while the sum is 29.

Adding to 20442204254 its reverse (45240224402), we get a palindrome (65682428656).

The spelling of 20442204254 in words is "twenty billion, four hundred forty-two million, two hundred four thousand, two hundred fifty-four".