2001010020022 has 32 divisors (see below), whose sum is σ = 3540560738400. Its totient is φ = 839244016128.

The previous prime is 2001010019989. The next prime is 2001010020029. The reversal of 2001010020022 is 2200200101002.

It is a super-2 number, since 2×2001010020022² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2001010019990 and 2001010020008.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2001010020029) 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, 78041872 + ... + 78067507.

It is an arithmetic number, because the mean of its divisors is an integer number (110642523075).

Almost surely, 2^{2001010020022} is an apocalyptic number.

2001010020022 is a deficient number, since it is larger than the sum of its proper divisors (1539550718378).

2001010020022 is a wasteful number, since it uses less digits than its factorization.

2001010020022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156109440.

The product of its (nonzero) digits is 16, while the sum is 10.

Adding to 2001010020022 its reverse (2200200101002), we get a palindrome (4201210121024).

The spelling of 2001010020022 in words is "two trillion, one billion, ten million, twenty thousand, twenty-two".