20682728152 has 8 divisors (see below), whose sum is σ = 38780115300. Its totient is φ = 10341364072.

The previous prime is 20682728123. The next prime is 20682728153. The reversal of 20682728152 is 25182728602.

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 20682728099 and 20682728108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20682728153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1292670502 + ... + 1292670517.

Almost surely, 2^20682728152 is an apocalyptic number.

It is an amenable number.

20682728152 is a deficient number, since it is larger than the sum of its proper divisors (18097387148).

20682728152 is a wasteful number, since it uses less digits than its factorization.

20682728152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2585341025 (or 2585341021 counting only the distinct ones).

The product of its (nonzero) digits is 215040, while the sum is 43.

The spelling of 20682728152 in words is "twenty billion, six hundred eighty-two million, seven hundred twenty-eight thousand, one hundred fifty-two".