20682728122 has 32 divisors (see below), whose sum is σ = 39517649280. Its totient is φ = 7903526400.

The previous prime is 20682728119. The next prime is 20682728123. The reversal of 20682728122 is 22182728602.

It is not an unprimeable number, because it can be changed into a prime (20682728123) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2282379 + ... + 2291422.

It is an arithmetic number, because the mean of its divisors is an integer number (1234926540).

Almost surely, 2^20682728122 is an apocalyptic number.

20682728122 is a deficient number, since it is larger than the sum of its proper divisors (18834921158).

20682728122 is a wasteful number, since it uses less digits than its factorization.

20682728122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4573846.

The product of its (nonzero) digits is 86016, while the sum is 40.

The spelling of 20682728122 in words is "twenty billion, six hundred eighty-two million, seven hundred twenty-eight thousand, one hundred twenty-two".