20265351 has 8 divisors (see below), whose sum is σ = 27892224. Its totient is φ = 13074360.

The previous prime is 20265299. The next prime is 20265391. The reversal of 20265351 is 15356202.

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

It is not a de Polignac number, because 20265351 - 2¹⁴ = 20248967 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20265391) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 108861 + ... + 109046.

It is an arithmetic number, because the mean of its divisors is an integer number (3486528).

Almost surely, 2^20265351 is an apocalyptic number.

20265351 is a deficient number, since it is larger than the sum of its proper divisors (7626873).

20265351 is a wasteful number, since it uses less digits than its factorization.

20265351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 217941.

The product of its (nonzero) digits is 1800, while the sum is 24.

The square root of 20265351 is about 4501.7053435337. The cubic root of 20265351 is about 272.6369471284.

The spelling of 20265351 in words is "twenty million, two hundred sixty-five thousand, three hundred fifty-one".