20200442331 has 8 divisors (see below), whose sum is σ = 27181023760. Its totient is φ = 13343411232.

The previous prime is 20200442303. The next prime is 20200442341. The reversal of 20200442331 is 13324400202.

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

It is not a de Polignac number, because 20200442331 - 2⁶ = 20200442267 is a prime.

It is a super-2 number, since 2×20200442331² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20200442298 and 20200442307.

It is not an unprimeable number, because it can be changed into a prime (20200442341) 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, 30887200 + ... + 30887853.

It is an arithmetic number, because the mean of its divisors is an integer number (3397627970).

Almost surely, 2^20200442331 is an apocalyptic number.

20200442331 is a deficient number, since it is larger than the sum of its proper divisors (6980581429).

20200442331 is a wasteful number, since it uses less digits than its factorization.

20200442331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61775165.

The product of its (nonzero) digits is 1152, while the sum is 21.

Adding to 20200442331 its reverse (13324400202), we get a palindrome (33524842533).

The spelling of 20200442331 in words is "twenty billion, two hundred million, four hundred forty-two thousand, three hundred thirty-one".