20025006672 has 80 divisors (see below), whose sum is σ = 58887802368. Its totient is φ = 5804346240.

The previous prime is 20025006643. The next prime is 20025006709. The reversal of 20025006672 is 27660052002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 812338 + ... + 836625.

Almost surely, 2^20025006672 is an apocalyptic number.

20025006672 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

20025006672 is an abundant number, since it is smaller than the sum of its proper divisors (38862795696).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20025006672 is a wasteful number, since it uses less digits than its factorization.

20025006672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1649008 (or 1649002 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 30.

Adding to 20025006672 its reverse (27660052002), we get a palindrome (47685058674).

The spelling of 20025006672 in words is "twenty billion, twenty-five million, six thousand, six hundred seventy-two".