20477625235 has 4 divisors (see below), whose sum is σ = 24573150288. Its totient is φ = 16382100184.

The previous prime is 20477625227. The next prime is 20477625251. The reversal of 20477625235 is 53252677402.

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 20477625235 - 2³ = 20477625227 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20477625191 and 20477625200.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2047762519 + ... + 2047762528.

It is an arithmetic number, because the mean of its divisors is an integer number (6143287572).

Almost surely, 2^20477625235 is an apocalyptic number.

20477625235 is a deficient number, since it is larger than the sum of its proper divisors (4095525053).

20477625235 is an equidigital number, since it uses as much as digits as its factorization.

20477625235 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4095525052.

The product of its (nonzero) digits is 705600, while the sum is 43.

The spelling of 20477625235 in words is "twenty billion, four hundred seventy-seven million, six hundred twenty-five thousand, two hundred thirty-five".