20275235 has 8 divisors (see below), whose sum is σ = 24506160. Its totient is φ = 16102944.

The previous prime is 20275219. The next prime is 20275247. The reversal of 20275235 is 53257202.

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 20275235 - 2⁴ = 20275219 is a prime.

It is a super-2 number, since 2×20275235² = 822170308610450, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13892 + ... + 15281.

It is an arithmetic number, because the mean of its divisors is an integer number (3063270).

Almost surely, 2^20275235 is an apocalyptic number.

20275235 is a deficient number, since it is larger than the sum of its proper divisors (4230925).

20275235 is a wasteful number, since it uses less digits than its factorization.

20275235 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29317.

The product of its (nonzero) digits is 4200, while the sum is 26.

The square root of 20275235 is about 4502.8030159002. The cubic root of 20275235 is about 272.6812642423.

The spelling of 20275235 in words is "twenty million, two hundred seventy-five thousand, two hundred thirty-five".