20252042444 has 6 divisors (see below), whose sum is σ = 35441074284. Its totient is φ = 10126021220.

The previous prime is 20252042401. The next prime is 20252042467. The reversal of 20252042444 is 44424025202.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2531505302 + ... + 2531505309.

It is an arithmetic number, because the mean of its divisors is an integer number (5906845714).

Almost surely, 2^20252042444 is an apocalyptic number.

It is an amenable number.

20252042444 is a deficient number, since it is larger than the sum of its proper divisors (15189031840).

20252042444 is a wasteful number, since it uses less digits than its factorization.

20252042444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5063010615 (or 5063010613 counting only the distinct ones).

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

Adding to 20252042444 its reverse (44424025202), we get a palindrome (64676067646).

The spelling of 20252042444 in words is "twenty billion, two hundred fifty-two million, forty-two thousand, four hundred forty-four".