20630292479982 has 64 divisors (see below), whose sum is σ = 45897550110720. Its totient is φ = 6868900245600.

The previous prime is 20630292479981. The next prime is 20630292479987. The reversal of 20630292479982 is 28997429203602.

20630292479982 is a `hidden beast` number, since 2 + 0 + 6 + 302 + 9 + 247 + 9 + 9 + 82 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20630292479981) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 172185048 + ... + 172304820.

It is an arithmetic number, because the mean of its divisors is an integer number (717149220480).

Almost surely, 2^{20630292479982} is an apocalyptic number.

20630292479982 is an abundant number, since it is smaller than the sum of its proper divisors (25267257630738).

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

20630292479982 is a wasteful number, since it uses less digits than its factorization.

20630292479982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123406 (or 123400 counting only the distinct ones).

The product of its (nonzero) digits is 47029248, while the sum is 63.

The spelling of 20630292479982 in words is "twenty trillion, six hundred thirty billion, two hundred ninety-two million, four hundred seventy-nine thousand, nine hundred eighty-two".