20411201015 has 8 divisors (see below), whose sum is σ = 24499831200. Its totient is φ = 16324700832.

The previous prime is 20411200991. The next prime is 20411201017. The reversal of 20411201015 is 51010211402.

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 20411201015 - 2⁸ = 20411200759 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20411200984 and 20411201002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20411201017) 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, 511340 + ... + 549809.

It is an arithmetic number, because the mean of its divisors is an integer number (3062478900).

Almost surely, 2^20411201015 is an apocalyptic number.

20411201015 is a deficient number, since it is larger than the sum of its proper divisors (4088630185).

20411201015 is a wasteful number, since it uses less digits than its factorization.

20411201015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1065001.

The product of its (nonzero) digits is 80, while the sum is 17.

Adding to 20411201015 its reverse (51010211402), we get a palindrome (71421412417).

The spelling of 20411201015 in words is "twenty billion, four hundred eleven million, two hundred one thousand, fifteen".