20204021444 has 12 divisors (see below), whose sum is σ = 35700310464. Its totient is φ = 10003932744.

The previous prime is 20204021443. The next prime is 20204021473. The reversal of 20204021444 is 44412040202.

It is a super-2 number, since 2×20204021444² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20204021443) 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, 24519032 + ... + 24519855.

It is an arithmetic number, because the mean of its divisors is an integer number (2975025872).

Almost surely, 2^20204021444 is an apocalyptic number.

It is an amenable number.

20204021444 is a deficient number, since it is larger than the sum of its proper divisors (15496289020).

20204021444 is a wasteful number, since it uses less digits than its factorization.

20204021444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49038994 (or 49038992 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 23.

Adding to 20204021444 its reverse (44412040202), we get a palindrome (64616061646).

The spelling of 20204021444 in words is "twenty billion, two hundred four million, twenty-one thousand, four hundred forty-four".