20013055542750 has 128 divisors (see below), whose sum is σ = 50784629575680. Its totient is φ = 5247966672000.

The previous prime is 20013055542737. The next prime is 20013055542757. The reversal of 20013055542750 is 5724555031002.

It is a junction number, because it is equal to n+sod(n) for n = 20013055542699 and 20013055542708.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20013055542757) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 183082611 + ... + 183191889.

It is an arithmetic number, because the mean of its divisors is an integer number (396754918560).

Almost surely, 2^{20013055542750} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20013055542750, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25392314787840).

20013055542750 is an abundant number, since it is smaller than the sum of its proper divisors (30771574032930).

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

20013055542750 is a wasteful number, since it uses less digits than its factorization.

20013055542750 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113363 (or 113353 counting only the distinct ones).

The product of its (nonzero) digits is 210000, while the sum is 39.

The spelling of 20013055542750 in words is "twenty trillion, thirteen billion, fifty-five million, five hundred forty-two thousand, seven hundred fifty".