20172554041 has 8 divisors (see below), whose sum is σ = 21057940800. Its totient is φ = 19287860592.

The previous prime is 20172553981. The next prime is 20172554053. The reversal of 20172554041 is 14045527102.

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 20172554041 - 2¹⁵ = 20172521273 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20172553994 and 20172554012.

It is not an unprimeable number, because it can be changed into a prime (20172554071) 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, 113415 + ... + 230668.

It is an arithmetic number, because the mean of its divisors is an integer number (2632242600).

Almost surely, 2^20172554041 is an apocalyptic number.

It is an amenable number.

20172554041 is a deficient number, since it is larger than the sum of its proper divisors (885386759).

20172554041 is a wasteful number, since it uses less digits than its factorization.

20172554041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 346655.

The product of its (nonzero) digits is 11200, while the sum is 31.

The spelling of 20172554041 in words is "twenty billion, one hundred seventy-two million, five hundred fifty-four thousand, forty-one".