20045435 has 8 divisors (see below), whose sum is σ = 24384480. Its totient is φ = 15816384.

The previous prime is 20045419. The next prime is 20045447. The reversal of 20045435 is 53454002.

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 20045435 - 2⁴ = 20045419 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20045435.

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, 27095 + ... + 27824.

It is an arithmetic number, because the mean of its divisors is an integer number (3048060).

Almost surely, 2^20045435 is an apocalyptic number.

20045435 is a deficient number, since it is larger than the sum of its proper divisors (4339045).

20045435 is an equidigital number, since it uses as much as digits as its factorization.

20045435 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54997.

The product of its (nonzero) digits is 2400, while the sum is 23.

The square root of 20045435 is about 4477.2128606980. The cubic root of 20045435 is about 271.6471554775.

Adding to 20045435 its reverse (53454002), we get a palindrome (73499437).

The spelling of 20045435 in words is "twenty million, forty-five thousand, four hundred thirty-five".