20394116045292 has 96 divisors (see below), whose sum is σ = 52899038406144. Its totient is φ = 6062597798400.

The previous prime is 20394116045257. The next prime is 20394116045327. The reversal of 20394116045292 is 29254061149302.

It is an interprime number because it is at equal distance from previous prime (20394116045257) and next prime (20394116045327).

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 51692817 + ... + 52085847.

It is an arithmetic number, because the mean of its divisors is an integer number (551031650064).

Almost surely, 2^{20394116045292} is an apocalyptic number.

20394116045292 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20394116045292, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26449519203072).

20394116045292 is an abundant number, since it is smaller than the sum of its proper divisors (32504922360852).

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

20394116045292 is a wasteful number, since it uses less digits than its factorization.

20394116045292 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 400519 (or 400517 counting only the distinct ones).

The product of its (nonzero) digits is 933120, while the sum is 48.

The spelling of 20394116045292 in words is "twenty trillion, three hundred ninety-four billion, one hundred sixteen million, forty-five thousand, two hundred ninety-two".