20122331001 has 16 divisors (see below), whose sum is σ = 27488680128. Its totient is φ = 13085542400.

The previous prime is 20122330979. The next prime is 20122331017. The reversal of 20122331001 is 10013322102.

It is a cyclic number.

It is not a de Polignac number, because 20122331001 - 2¹³ = 20122322809 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20122332001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1132750 + ... + 1150376.

It is an arithmetic number, because the mean of its divisors is an integer number (1718042508).

Almost surely, 2^20122331001 is an apocalyptic number.

It is an amenable number.

20122331001 is a deficient number, since it is larger than the sum of its proper divisors (7366349127).

20122331001 is a wasteful number, since it uses less digits than its factorization.

20122331001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26952.

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

Adding to 20122331001 its reverse (10013322102), we get a palindrome (30135653103).

The spelling of 20122331001 in words is "twenty billion, one hundred twenty-two million, three hundred thirty-one thousand, one".