20011331022413 has 8 divisors (see below), whose sum is σ = 20057666959296. Its totient is φ = 19965000328000.

The previous prime is 20011331022383. The next prime is 20011331022427. The reversal of 20011331022413 is 31422013311002.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20011331022413 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20011331022113) 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, 6384773 + ... + 8988213.

It is an arithmetic number, because the mean of its divisors is an integer number (2507208369912).

Almost surely, 2^{20011331022413} is an apocalyptic number.

It is an amenable number.

20011331022413 is a deficient number, since it is larger than the sum of its proper divisors (46335936883).

20011331022413 is a wasteful number, since it uses less digits than its factorization.

20011331022413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2621235.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 20011331022413 its reverse (31422013311002), we get a palindrome (51433344333415).

The spelling of 20011331022413 in words is "twenty trillion, eleven billion, three hundred thirty-one million, twenty-two thousand, four hundred thirteen".