1020200220212 has 6 divisors (see below), whose sum is σ = 1785350385378. Its totient is φ = 510100110104.

The previous prime is 1020200220163. The next prime is 1020200220251. The reversal of 1020200220212 is 2120220020201.

It can be written as a sum of positive squares in only one way, i.e., 598744773796 + 421455446416 = 773786^2 + 649196^2 .

It is a super-2 number, since 2×1020200220212² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127525027523 + ... + 127525027530.

It is an arithmetic number, because the mean of its divisors is an integer number (297558397563).

Almost surely, 2^{1020200220212} is an apocalyptic number.

It is an amenable number.

1020200220212 is a deficient number, since it is larger than the sum of its proper divisors (765150165166).

1020200220212 is a wasteful number, since it uses less digits than its factorization.

1020200220212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 255050055057 (or 255050055055 counting only the distinct ones).

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

Adding to 1020200220212 its reverse (2120220020201), we get a palindrome (3140420240413).

The spelling of 1020200220212 in words is "one trillion, twenty billion, two hundred million, two hundred twenty thousand, two hundred twelve".