20059721306394 has 96 divisors (see below), whose sum is σ = 50401578060288. Its totient is φ = 5209944986400.

The previous prime is 20059721306393. The next prime is 20059721306399. The reversal of 20059721306394 is 49360312795002.

It is not an unprimeable number, because it can be changed into a prime (20059721306393) 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, 74932609 + ... + 75199835.

It is an arithmetic number, because the mean of its divisors is an integer number (525016438128).

Almost surely, 2^{20059721306394} is an apocalyptic number.

20059721306394 is an abundant number, since it is smaller than the sum of its proper divisors (30341856753894).

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

20059721306394 is a wasteful number, since it uses less digits than its factorization.

20059721306394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 282032 (or 282021 counting only the distinct ones).

The product of its (nonzero) digits is 2449440, while the sum is 51.

The spelling of 20059721306394 in words is "twenty trillion, fifty-nine billion, seven hundred twenty-one million, three hundred six thousand, three hundred ninety-four".