20225820735 has 24 divisors (see below), whose sum is σ = 35204794560. Its totient is φ = 10741964352.

The previous prime is 20225820683. The next prime is 20225820749. The reversal of 20225820735 is 53702852202.

It is a happy number.

20225820735 is a `hidden beast` number, since 2 + 0 + 2 + 2 + 582 + 0 + 73 + 5 = 666.

It is not a de Polignac number, because 20225820735 - 2³² = 15930853439 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20225820735.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 929544 + ... + 951053.

It is an arithmetic number, because the mean of its divisors is an integer number (1466866440).

Almost surely, 2^20225820735 is an apocalyptic number.

20225820735 is a deficient number, since it is larger than the sum of its proper divisors (14978973825).

20225820735 is a wasteful number, since it uses less digits than its factorization.

20225820735 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1880847 (or 1880844 counting only the distinct ones).

The product of its (nonzero) digits is 67200, while the sum is 36.

The spelling of 20225820735 in words is "twenty billion, two hundred twenty-five million, eight hundred twenty thousand, seven hundred thirty-five".