20362152064240 has 60 divisors (see below), whose sum is σ = 55071310261896. Its totient is φ = 6981309277824.

The previous prime is 20362152064223. The next prime is 20362152064273. The reversal of 20362152064240 is 4246025126302.

It is a self number, because there is not a number n which added to its sum of digits gives 20362152064240.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2597209354 + ... + 2597217193.

Almost surely, 2^{20362152064240} is an apocalyptic number.

20362152064240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20362152064240 is an abundant number, since it is smaller than the sum of its proper divisors (34709158197656).

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

20362152064240 is a wasteful number, since it uses less digits than its factorization.

20362152064240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5194426574 (or 5194426561 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 37.

The spelling of 20362152064240 in words is "twenty trillion, three hundred sixty-two billion, one hundred fifty-two million, sixty-four thousand, two hundred forty".