1020022020212 has 12 divisors (see below), whose sum is σ = 1922349192036. Its totient is φ = 470779393920.

The previous prime is 1020022020187. The next prime is 1020022020221. The reversal of 1020022020212 is 2120202200201.

It can be written as a sum of positive squares in 2 ways, for example, as 692100869476 + 327921150736 = 831926^2 + 572644^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9807903989 + ... + 9807904092.

It is an arithmetic number, because the mean of its divisors is an integer number (160195766003).

Almost surely, 2^{1020022020212} is an apocalyptic number.

It is an amenable number.

1020022020212 is a deficient number, since it is larger than the sum of its proper divisors (902327171824).

1020022020212 is a wasteful number, since it uses less digits than its factorization.

1020022020212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19615808098 (or 19615808096 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 1020022020212 its reverse (2120202200201), we get a palindrome (3140224220413).

The spelling of 1020022020212 in words is "one trillion, twenty billion, twenty-two million, twenty thousand, two hundred twelve".