20452845502 has 8 divisors (see below), whose sum is σ = 30683280312. Its totient is φ = 10225085400.

The previous prime is 20452845463. The next prime is 20452845509. The reversal of 20452845502 is 20554825402.

20452845502 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20452845509) 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 3 ways as a sum of consecutive naturals, for example, 649449 + ... + 680212.

It is an arithmetic number, because the mean of its divisors is an integer number (3835410039).

Almost surely, 2^20452845502 is an apocalyptic number.

20452845502 is a deficient number, since it is larger than the sum of its proper divisors (10230434810).

20452845502 is a wasteful number, since it uses less digits than its factorization.

20452845502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1337354.

The product of its (nonzero) digits is 128000, while the sum is 37.

The spelling of 20452845502 in words is "twenty billion, four hundred fifty-two million, eight hundred forty-five thousand, five hundred two".