20332031113213 has 8 divisors (see below), whose sum is σ = 21533708738808. Its totient is φ = 19130984131584.

The previous prime is 20332031113193. The next prime is 20332031113253. The reversal of 20332031113213 is 31231113023302.

It can be written as a sum of positive squares in 4 ways, for example, as 275050949209 + 20056980164004 = 524453^2 + 4478502^2 .

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 20332031113213 - 2¹⁷ = 20332030982141 is a prime.

It is a super-2 number, since 2×20332031113213² (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 (20332031113253) 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, 157594606 + ... + 157723567.

It is an arithmetic number, because the mean of its divisors is an integer number (2691713592351).

Almost surely, 2^{20332031113213} is an apocalyptic number.

It is an amenable number.

20332031113213 is a deficient number, since it is larger than the sum of its proper divisors (1201677625595).

20332031113213 is a wasteful number, since it uses less digits than its factorization.

20332031113213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 315321983.

The product of its (nonzero) digits is 1944, while the sum is 25.

Adding to 20332031113213 its reverse (31231113023302), we get a palindrome (51563144136515).

The spelling of 20332031113213 in words is "twenty trillion, three hundred thirty-two billion, thirty-one million, one hundred thirteen thousand, two hundred thirteen".