20225413144 has 8 divisors (see below), whose sum is σ = 37922649660. Its totient is φ = 10112706568.

The previous prime is 20225413081. The next prime is 20225413181. The reversal of 20225413144 is 44131452202.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-3 number, since 3×20225413144³ (a number of 32 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1264088314 + ... + 1264088329.

Almost surely, 2^20225413144 is an apocalyptic number.

It is an amenable number.

20225413144 is a deficient number, since it is larger than the sum of its proper divisors (17697236516).

20225413144 is a wasteful number, since it uses less digits than its factorization.

20225413144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2528176649 (or 2528176645 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 28.

Adding to 20225413144 its reverse (44131452202), we get a palindrome (64356865346).

The spelling of 20225413144 in words is "twenty billion, two hundred twenty-five million, four hundred thirteen thousand, one hundred forty-four".