1020212222320 has 40 divisors (see below), whose sum is σ = 2374387136640. Its totient is φ = 407673066240.

The previous prime is 1020212222257. The next prime is 1020212222327. The reversal of 1020212222320 is 232222120201.

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×1020212222320² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1020212222327) by changing a digit.

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, 6354955 + ... + 6513514.

It is an arithmetic number, because the mean of its divisors is an integer number (59359678416).

Almost surely, 2^{1020212222320} is an apocalyptic number.

1020212222320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1020212222320 is an abundant number, since it is smaller than the sum of its proper divisors (1354174914320).

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

1020212222320 is a wasteful number, since it uses less digits than its factorization.

1020212222320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12869473 (or 12869467 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 1020212222320 its reverse (232222120201), we get a palindrome (1252434342521).

The spelling of 1020212222320 in words is "one trillion, twenty billion, two hundred twelve million, two hundred twenty-two thousand, three hundred twenty".