20254444130 has 32 divisors (see below), whose sum is σ = 38726812800. Its totient is φ = 7600664320.

The previous prime is 20254444127. The next prime is 20254444139. The reversal of 20254444130 is 3144445202.

It is a junction number, because it is equal to n+sod(n) for n = 20254444093 and 20254444102.

It is not an unprimeable number, because it can be changed into a prime (20254444139) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 138680 + ... + 244419.

It is an arithmetic number, because the mean of its divisors is an integer number (1210212900).

Almost surely, 2^20254444130 is an apocalyptic number.

20254444130 is a deficient number, since it is larger than the sum of its proper divisors (18472368670).

20254444130 is a wasteful number, since it uses less digits than its factorization.

20254444130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 383434.

The product of its (nonzero) digits is 15360, while the sum is 29.

Adding to 20254444130 its reverse (3144445202), we get a palindrome (23398889332).

The spelling of 20254444130 in words is "twenty billion, two hundred fifty-four million, four hundred forty-four thousand, one hundred thirty".