2001022098 has 16 divisors (see below), whose sum is σ = 4140046080. Its totient is φ = 644007056.

The previous prime is 2001022081. The next prime is 2001022099. The reversal of 2001022098 is 8902201002.

It is not an unprimeable number, because it can be changed into a prime (2001022099) 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, 5749890 + ... + 5750237.

It is an arithmetic number, because the mean of its divisors is an integer number (258752880).

Almost surely, 2^2001022098 is an apocalyptic number.

2001022098 is an abundant number, since it is smaller than the sum of its proper divisors (2139023982).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2001022098 is a wasteful number, since it uses less digits than its factorization.

2001022098 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11500161.

The product of its (nonzero) digits is 576, while the sum is 24.

The square root of 2001022098 is about 44732.7854934163. The cubic root of 2001022098 is about 1260.1356404745.

The spelling of 2001022098 in words is "two billion, one million, twenty-two thousand, ninety-eight".