20126257246652 has 24 divisors (see below), whose sum is σ = 35276876631360. Its totient is φ = 10047151920960.

The previous prime is 20126257246597. The next prime is 20126257246657. The reversal of 20126257246652 is 25664275262102.

It is a self number, because there is not a number n which added to its sum of digits gives 20126257246652.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20126257246657) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35889038 + ... + 36445514.

It is an arithmetic number, because the mean of its divisors is an integer number (1469869859640).

Almost surely, 2^{20126257246652} is an apocalyptic number.

It is an amenable number.

20126257246652 is a deficient number, since it is larger than the sum of its proper divisors (15150619384708).

20126257246652 is a wasteful number, since it uses less digits than its factorization.

20126257246652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 570821 (or 570819 counting only the distinct ones).

The product of its (nonzero) digits is 4838400, while the sum is 50.

The spelling of 20126257246652 in words is "twenty trillion, one hundred twenty-six billion, two hundred fifty-seven million, two hundred forty-six thousand, six hundred fifty-two".