20425624629 has 8 divisors (see below), whose sum is σ = 27562288992. Its totient is φ = 13453021680.

The previous prime is 20425624619. The next prime is 20425624631. The reversal of 20425624629 is 92642652402.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 20425624629 - 2¹⁵ = 20425591861 is a prime.

It is a super-2 number, since 2×20425624629² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20425624619) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41015062 + ... + 41015559.

It is an arithmetic number, because the mean of its divisors is an integer number (3445286124).

Almost surely, 2^20425624629 is an apocalyptic number.

It is an amenable number.

20425624629 is a deficient number, since it is larger than the sum of its proper divisors (7136664363).

20425624629 is an equidigital number, since it uses as much as digits as its factorization.

20425624629 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82030707.

The product of its (nonzero) digits is 414720, while the sum is 42.

The spelling of 20425624629 in words is "twenty billion, four hundred twenty-five million, six hundred twenty-four thousand, six hundred twenty-nine".