20305026316252 has 24 divisors (see below), whose sum is σ = 36323973697536. Its totient is φ = 9927154538928.

The previous prime is 20305026316247. The next prime is 20305026316283. The reversal of 20305026316252 is 25261362050302.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50602348 + ... + 51002035.

It is an arithmetic number, because the mean of its divisors is an integer number (1513498904064).

Almost surely, 2^{20305026316252} is an apocalyptic number.

It is an amenable number.

20305026316252 is a deficient number, since it is larger than the sum of its proper divisors (16018947381284).

20305026316252 is a wasteful number, since it uses less digits than its factorization.

20305026316252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101605497 (or 101605495 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 37.

Adding to 20305026316252 its reverse (25261362050302), we get a palindrome (45566388366554).

The spelling of 20305026316252 in words is "twenty trillion, three hundred five billion, twenty-six million, three hundred sixteen thousand, two hundred fifty-two".