20425363415 has 4 divisors (see below), whose sum is σ = 24510436104. Its totient is φ = 16340290728.

The previous prime is 20425363381. The next prime is 20425363423. The reversal of 20425363415 is 51436352402.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 20425363415 - 2⁶ = 20425363351 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 2042536337 + ... + 2042536346.

It is an arithmetic number, because the mean of its divisors is an integer number (6127609026).

Almost surely, 2^20425363415 is an apocalyptic number.

20425363415 is a deficient number, since it is larger than the sum of its proper divisors (4085072689).

20425363415 is an equidigital number, since it uses as much as digits as its factorization.

20425363415 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4085072688.

The product of its (nonzero) digits is 86400, while the sum is 35.

The spelling of 20425363415 in words is "twenty billion, four hundred twenty-five million, three hundred sixty-three thousand, four hundred fifteen".