20558002576381 has 8 divisors (see below), whose sum is σ = 21640046741280. Its totient is φ = 19475962814448.

The previous prime is 20558002576351. The next prime is 20558002576421. The reversal of 20558002576381 is 18367520085502.

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 20558002576381 - 2¹⁵ = 20558002543613 is a prime.

It is a super-2 number, since 2×20558002576381² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20558002576301) 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, 13343250 + ... + 14803996.

It is an arithmetic number, because the mean of its divisors is an integer number (2705005842660).

Almost surely, 2^{20558002576381} is an apocalyptic number.

It is an amenable number.

20558002576381 is a deficient number, since it is larger than the sum of its proper divisors (1082044164899).

20558002576381 is a wasteful number, since it uses less digits than its factorization.

20558002576381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2201483.

The product of its (nonzero) digits is 4032000, while the sum is 52.

The spelling of 20558002576381 in words is "twenty trillion, five hundred fifty-eight billion, two million, five hundred seventy-six thousand, three hundred eighty-one".