33020455225 has 12 divisors (see below), whose sum is σ = 42266183680. Its totient is φ = 25564222800.

The previous prime is 33020455207. The next prime is 33020455249. The reversal of 33020455225 is 52255402033.

It is not a de Polignac number, because 33020455225 - 2²³ = 33012066617 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21302745 + ... + 21304294.

Almost surely, 2^33020455225 is an apocalyptic number.

It is an amenable number.

33020455225 is a deficient number, since it is larger than the sum of its proper divisors (9245728455).

33020455225 is a wasteful number, since it uses less digits than its factorization.

33020455225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42607080 (or 42607075 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 31.

Adding to 33020455225 its reverse (52255402033), we get a palindrome (85275857258).

The spelling of 33020455225 in words is "thirty-three billion, twenty million, four hundred fifty-five thousand, two hundred twenty-five".