20210020011012 has 96 divisors (see below), whose sum is σ = 50990988948480. Its totient is φ = 6193145232000.

The previous prime is 20210020011001. The next prime is 20210020011023. The reversal of 20210020011012 is 21011002001202.

It is an interprime number because it is at equal distance from previous prime (20210020011001) and next prime (20210020011023).

It is a Harshad number since it is a multiple of its sum of digits (12).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 809067939 + ... + 809092917.

It is an arithmetic number, because the mean of its divisors is an integer number (531156134880).

Almost surely, 2^{20210020011012} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20210020011012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25495494474240).

20210020011012 is an abundant number, since it is smaller than the sum of its proper divisors (30780968937468).

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

20210020011012 is a wasteful number, since it uses less digits than its factorization.

20210020011012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45913 (or 45911 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 20210020011012 its reverse (21011002001202), we get a palindrome (41221022012214).

The spelling of 20210020011012 in words is "twenty trillion, two hundred ten billion, twenty million, eleven thousand, twelve".