20365267244532 has 144 divisors (see below), whose sum is σ = 55408532917248. Its totient is φ = 5804828789760.

The previous prime is 20365267244447. The next prime is 20365267244537. The reversal of 20365267244532 is 23544276256302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20365267244537) 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, 728175213 + ... + 728203179.

It is an arithmetic number, because the mean of its divisors is an integer number (384781478592).

Almost surely, 2^{20365267244532} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20365267244532, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27704266458624).

20365267244532 is an abundant number, since it is smaller than the sum of its proper divisors (35043265672716).

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

20365267244532 is a wasteful number, since it uses less digits than its factorization.

20365267244532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30886 (or 30877 counting only the distinct ones).

The product of its (nonzero) digits is 14515200, while the sum is 51.

The spelling of 20365267244532 in words is "twenty trillion, three hundred sixty-five billion, two hundred sixty-seven million, two hundred forty-four thousand, five hundred thirty-two".