201002021122220 has 48 divisors (see below), whose sum is σ = 430611886453728. Its totient is φ = 78794335526400.

The previous prime is 201002021122211. The next prime is 201002021122289. The reversal of 201002021122220 is 22221120200102.

It is a happy number.

It is a super-4 number, since 4×201002021122220⁴ (a number of 58 digits) contains 4444 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 438218606 + ... + 438677045.

It is an arithmetic number, because the mean of its divisors is an integer number (8971080967786).

Almost surely, 2^{201002021122220} is an apocalyptic number.

201002021122220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201002021122220 is an abundant number, since it is smaller than the sum of its proper divisors (229609865331508).

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

201002021122220 is a wasteful number, since it uses less digits than its factorization.

201002021122220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 876895890 (or 876895888 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 201002021122220 its reverse (22221120200102), we get a palindrome (223223141322322).

The spelling of 201002021122220 in words is "two hundred one trillion, two billion, twenty-one million, one hundred twenty-two thousand, two hundred twenty".