20042321244 has 48 divisors (see below), whose sum is σ = 51028602240. Its totient is φ = 6072027840.

The previous prime is 20042321239. The next prime is 20042321281. The reversal of 20042321244 is 44212324002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 652782 + ... + 682794.

It is an arithmetic number, because the mean of its divisors is an integer number (1063095880).

Almost surely, 2^20042321244 is an apocalyptic number.

It is an amenable number.

20042321244 is an abundant number, since it is smaller than the sum of its proper divisors (30986280996).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20042321244 is a wasteful number, since it uses less digits than its factorization.

20042321244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35090 (or 35088 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 24.

Adding to 20042321244 its reverse (44212324002), we get a palindrome (64254645246).

The spelling of 20042321244 in words is "twenty billion, forty-two million, three hundred twenty-one thousand, two hundred forty-four".