20682553630 has 16 divisors (see below), whose sum is σ = 37332303840. Its totient is φ = 8249975392.

The previous prime is 20682553613. The next prime is 20682553637. The reversal of 20682553630 is 3635528602.

20682553630 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×20682553630³ (a number of 32 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20682553637) 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, 2876989 + ... + 2884168.

It is an arithmetic number, because the mean of its divisors is an integer number (2333268990).

Almost surely, 2^20682553630 is an apocalyptic number.

20682553630 is a deficient number, since it is larger than the sum of its proper divisors (16649750210).

20682553630 is a wasteful number, since it uses less digits than its factorization.

20682553630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5761523.

The product of its (nonzero) digits is 259200, while the sum is 40.

The spelling of 20682553630 in words is "twenty billion, six hundred eighty-two million, five hundred fifty-three thousand, six hundred thirty".