20211233001 has 8 divisors (see below), whose sum is σ = 27877562880. Its totient is φ = 13009529232.

The previous prime is 20211232999. The next prime is 20211233041. The reversal of 20211233001 is 10033211202.

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

It is not a de Polignac number, because 20211233001 - 2¹ = 20211232999 is a prime.

It is a super-2 number, since 2×20211233001² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20211233041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 116156425 + ... + 116156598.

It is an arithmetic number, because the mean of its divisors is an integer number (3484695360).

Almost surely, 2^20211233001 is an apocalyptic number.

It is an amenable number.

20211233001 is a deficient number, since it is larger than the sum of its proper divisors (7666329879).

20211233001 is a wasteful number, since it uses less digits than its factorization.

20211233001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 232313055.

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

Adding to 20211233001 its reverse (10033211202), we get a palindrome (30244444203).

The spelling of 20211233001 in words is "twenty billion, two hundred eleven million, two hundred thirty-three thousand, one".