20211332413 has 8 divisors (see below), whose sum is σ = 20976389280. Its totient is φ = 19450816560.

The previous prime is 20211332381. The next prime is 20211332443. The reversal of 20211332413 is 31423311202.

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 20211332413 - 2⁵ = 20211332381 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 (20211332443) 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, 1126183 + ... + 1143988.

It is an arithmetic number, because the mean of its divisors is an integer number (2622048660).

Almost surely, 2^20211332413 is an apocalyptic number.

It is an amenable number.

20211332413 is a deficient number, since it is larger than the sum of its proper divisors (765056867).

20211332413 is a wasteful number, since it uses less digits than its factorization.

20211332413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2270507.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 20211332413 its reverse (31423311202), we get a palindrome (51634643615).

The spelling of 20211332413 in words is "twenty billion, two hundred eleven million, three hundred thirty-two thousand, four hundred thirteen".