20245052050 has 24 divisors (see below), whose sum is σ = 37694430036. Its totient is φ = 8089712640.

The previous prime is 20245052041. The next prime is 20245052057. The reversal of 20245052050 is 5025054202.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 10631053449 + 9613998601 = 103107^2 + 98051^2 .

It is a Harshad number since it is a multiple of its sum of digits (25).

It is not an unprimeable number, because it can be changed into a prime (20245052057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 158367 + ... + 256066.

Almost surely, 2^20245052050 is an apocalyptic number.

20245052050 is a deficient number, since it is larger than the sum of its proper divisors (17449377986).

20245052050 is a wasteful number, since it uses less digits than its factorization.

20245052050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 415422 (or 415417 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 25.

The spelling of 20245052050 in words is "twenty billion, two hundred forty-five million, fifty-two thousand, fifty".