20293376543 has 8 divisors (see below), whose sum is σ = 22609255680. Its totient is φ = 18056001880.

The previous prime is 20293376513. The next prime is 20293376549. The reversal of 20293376543 is 34567339202.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20293376543 - 2²² = 20289182239 is a prime.

It is a super-2 number, since 2×20293376543² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20293376494 and 20293376503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20293376549) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19625573 + ... + 19626606.

It is an arithmetic number, because the mean of its divisors is an integer number (2826156960).

Almost surely, 2^20293376543 is an apocalyptic number.

20293376543 is a deficient number, since it is larger than the sum of its proper divisors (2315879137).

20293376543 is a wasteful number, since it uses less digits than its factorization.

20293376543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39252237.

The product of its (nonzero) digits is 816480, while the sum is 44.

The spelling of 20293376543 in words is "twenty billion, two hundred ninety-three million, three hundred seventy-six thousand, five hundred forty-three".