20458895682 has 16 divisors (see below), whose sum is σ = 40935820320. Its totient is φ = 6816627072.

The previous prime is 20458895659. The next prime is 20458895683. The reversal of 20458895682 is 28659885402.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (20458895683) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 736432 + ... + 763707.

It is an arithmetic number, because the mean of its divisors is an integer number (2558488770).

Almost surely, 2^20458895682 is an apocalyptic number.

20458895682 is an abundant number, since it is smaller than the sum of its proper divisors (20476924638).

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

20458895682 is a wasteful number, since it uses less digits than its factorization.

20458895682 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1502417.

The product of its (nonzero) digits is 11059200, while the sum is 57.

The spelling of 20458895682 in words is "twenty billion, four hundred fifty-eight million, eight hundred ninety-five thousand, six hundred eighty-two".