20021030001016 has 32 divisors (see below), whose sum is σ = 41135748595200. Its totient is φ = 9059658899040.

The previous prime is 20021030001001. The next prime is 20021030001059. The reversal of 20021030001016 is 61010003012002.

It is a super-2 number, since 2×20021030001016² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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, 510096306 + ... + 510135553.

It is an arithmetic number, because the mean of its divisors is an integer number (1285492143600).

Almost surely, 2^{20021030001016} is an apocalyptic number.

It is an amenable number.

20021030001016 is an abundant number, since it is smaller than the sum of its proper divisors (21114718594184).

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

20021030001016 is a wasteful number, since it uses less digits than its factorization.

20021030001016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1020232099 (or 1020232095 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 20021030001016 its reverse (61010003012002), we get a palindrome (81031033013018).

The spelling of 20021030001016 in words is "twenty trillion, twenty-one billion, thirty million, one thousand, sixteen".