20310121056652 has 24 divisors (see below), whose sum is σ = 40620707284640. Its totient is φ = 8704237916160.

The previous prime is 20310121056613. The next prime is 20310121056653. The reversal of 20310121056652 is 25665012101302.

It is not an unprimeable number, because it can be changed into a prime (20310121056653) 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 7 ways as a sum of consecutive naturals, for example, 1637877 + ... + 6580492.

Almost surely, 2^{20310121056652} is an apocalyptic number.

It is an amenable number.

20310121056652 is an abundant number, since it is smaller than the sum of its proper divisors (20310586227988).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20310121056652 is a wasteful number, since it uses less digits than its factorization.

20310121056652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8306641 (or 8306639 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 34.

Adding to 20310121056652 its reverse (25665012101302), we get a palindrome (45975133157954).

The spelling of 20310121056652 in words is "twenty trillion, three hundred ten billion, one hundred twenty-one million, fifty-six thousand, six hundred fifty-two".