20254040032 has 12 divisors (see below), whose sum is σ = 39875141376. Its totient is φ = 10127020000.

The previous prime is 20254040003. The next prime is 20254040039. The reversal of 20254040032 is 23004045202.

It is a super-2 number, since 2×20254040032² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20254039985 and 20254040012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20254040039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 316469344 + ... + 316469407.

It is an arithmetic number, because the mean of its divisors is an integer number (3322928448).

Almost surely, 2^20254040032 is an apocalyptic number.

It is an amenable number.

20254040032 is a deficient number, since it is larger than the sum of its proper divisors (19621101344).

20254040032 is an equidigital number, since it uses as much as digits as its factorization.

20254040032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 632938761 (or 632938753 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 22.

Adding to 20254040032 its reverse (23004045202), we get a palindrome (43258085234).

The spelling of 20254040032 in words is "twenty billion, two hundred fifty-four million, forty thousand, thirty-two".