20212331001 has 8 divisors (see below), whose sum is σ = 26950596864. Its totient is φ = 13474476240.

The previous prime is 20212330991. The next prime is 20212331011. The reversal of 20212331001 is 10013321202.

It is an interprime number because it is at equal distance from previous prime (20212330991) and next prime (20212331011).

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

It is not a de Polignac number, because 20212331001 - 2¹⁸ = 20212068857 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20212331011) 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, 40471 + ... + 205091.

It is an arithmetic number, because the mean of its divisors is an integer number (3368824608).

Almost surely, 2^20212331001 is an apocalyptic number.

It is an amenable number.

20212331001 is a deficient number, since it is larger than the sum of its proper divisors (6738265863).

20212331001 is a wasteful number, since it uses less digits than its factorization.

20212331001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 205551.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 20212331001 its reverse (10013321202), we get a palindrome (30225652203).

The spelling of 20212331001 in words is "twenty billion, two hundred twelve million, three hundred thirty-one thousand, one".