20345032132612 has 144 divisors (see below), whose sum is σ = 41980171931712. Its totient is φ = 8526430781440.

The previous prime is 20345032132591. The next prime is 20345032132619. The reversal of 20345032132612 is 21623123054302.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is not an unprimeable number, because it can be changed into a prime (20345032132619) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1435066068 + ... + 1435080244.

It is an arithmetic number, because the mean of its divisors is an integer number (291528971748).

Almost surely, 2^{20345032132612} is an apocalyptic number.

20345032132612 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

20345032132612 is an abundant number, since it is smaller than the sum of its proper divisors (21635139799100).

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

20345032132612 is a wasteful number, since it uses less digits than its factorization.

20345032132612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14998 (or 14943 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 34.

Adding to 20345032132612 its reverse (21623123054302), we get a palindrome (41968155186914).

The spelling of 20345032132612 in words is "twenty trillion, three hundred forty-five billion, thirty-two million, one hundred thirty-two thousand, six hundred twelve".