20466440082 has 48 divisors (see below), whose sum is σ = 48403188288. Its totient is φ = 6198366240.

The previous prime is 20466440051. The next prime is 20466440119. The reversal of 20466440082 is 28004466402.

It is a happy number.

20466440082 is a `hidden beast` number, since 2 + 0 + 4 + 6 + 644 + 0 + 0 + 8 + 2 = 666.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 324048 + ... + 382020.

It is an arithmetic number, because the mean of its divisors is an integer number (1008399756).

Almost surely, 2^20466440082 is an apocalyptic number.

20466440082 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

20466440082 is an abundant number, since it is smaller than the sum of its proper divisors (27936748206).

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

20466440082 is a wasteful number, since it uses less digits than its factorization.

20466440082 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59775 (or 59772 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 36.

The spelling of 20466440082 in words is "twenty billion, four hundred sixty-six million, four hundred forty thousand, eighty-two".