20371602242650 has 24 divisors (see below), whose sum is σ = 39197772593820. Its totient is φ = 7867653279360.

The previous prime is 20371602242633. The next prime is 20371602242657. The reversal of 20371602242650 is 5624220617302.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 4658789846929 + 15712812395721 = 2158423^2 + 3963939^2 .

It is not an unprimeable number, because it can be changed into a prime (20371602242657) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7024688979 + ... + 7024691878.

Almost surely, 2^{20371602242650} is an apocalyptic number.

20371602242650 is a deficient number, since it is larger than the sum of its proper divisors (18826170351170).

20371602242650 is a wasteful number, since it uses less digits than its factorization.

20371602242650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14049380898 (or 14049380893 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 40.

Adding to 20371602242650 its reverse (5624220617302), we get a palindrome (25995822859952).

The spelling of 20371602242650 in words is "twenty trillion, three hundred seventy-one billion, six hundred two million, two hundred forty-two thousand, six hundred fifty".