20042224252 has 24 divisors (see below), whose sum is σ = 36931386240. Its totient is φ = 9490728240.

The previous prime is 20042224199. The next prime is 20042224283. The reversal of 20042224252 is 25242224002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 214977 + ... + 293767.

It is an arithmetic number, because the mean of its divisors is an integer number (1538807760).

Almost surely, 2^20042224252 is an apocalyptic number.

It is an amenable number.

20042224252 is a deficient number, since it is larger than the sum of its proper divisors (16889161988).

20042224252 is a wasteful number, since it uses less digits than its factorization.

20042224252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82161 (or 82159 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 25.

Adding to 20042224252 its reverse (25242224002), we get a palindrome (45284448254).

The spelling of 20042224252 in words is "twenty billion, forty-two million, two hundred twenty-four thousand, two hundred fifty-two".