20425550351 has 8 divisors (see below), whose sum is σ = 21103799808. Its totient is φ = 19748511000.

The previous prime is 20425550339. The next prime is 20425550359. The reversal of 20425550351 is 15305552402.

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

It is a cyclic number.

It is not a de Polignac number, because 20425550351 - 2⁶ = 20425550287 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20425550359) 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, 268145 + ... + 335786.

It is an arithmetic number, because the mean of its divisors is an integer number (2637974976).

Almost surely, 2^20425550351 is an apocalyptic number.

20425550351 is a deficient number, since it is larger than the sum of its proper divisors (678249457).

20425550351 is a wasteful number, since it uses less digits than its factorization.

20425550351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 605053.

The product of its (nonzero) digits is 30000, while the sum is 32.

The spelling of 20425550351 in words is "twenty billion, four hundred twenty-five million, five hundred fifty thousand, three hundred fifty-one".