20452662132012 has 144 divisors (see below), whose sum is σ = 56448990823680. Its totient is φ = 6192369955200.

The previous prime is 20452662131947. The next prime is 20452662132017. The reversal of 20452662132012 is 21023126625402.

20452662132012 is a `hidden beast` number, since 2 + 0 + 4 + 5 + 2 + 6 + 621 + 3 + 20 + 1 + 2 = 666.

It is a super-2 number, since 2×20452662132012² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (20452662132017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3017058439 + ... + 3017065217.

It is an arithmetic number, because the mean of its divisors is an integer number (392006880720).

Almost surely, 2^{20452662132012} is an apocalyptic number.

20452662132012 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

20452662132012 is an abundant number, since it is smaller than the sum of its proper divisors (35996328691668).

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

20452662132012 is a wasteful number, since it uses less digits than its factorization.

20452662132012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12324 (or 12319 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 36.

Adding to 20452662132012 its reverse (21023126625402), we get a palindrome (41475788757414).

The spelling of 20452662132012 in words is "twenty trillion, four hundred fifty-two billion, six hundred sixty-two million, one hundred thirty-two thousand, twelve".