1020345213222 has 48 divisors (see below), whose sum is σ = 2230420626720. Its totient is φ = 337101641856.

The previous prime is 1020345213193. The next prime is 1020345213253. The reversal of 1020345213222 is 2223125430201.

1020345213222 is a `hidden beast` number, since 1 + 0 + 203 + 452 + 1 + 3 + 2 + 2 + 2 = 666.

It is a super-2 number, since 2×1020345213222² (a number of 25 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 (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 385554 + ... + 1479642.

It is an arithmetic number, because the mean of its divisors is an integer number (46467096390).

Almost surely, 2^{1020345213222} is an apocalyptic number.

1020345213222 is an abundant number, since it is smaller than the sum of its proper divisors (1210075413498).

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

1020345213222 is a wasteful number, since it uses less digits than its factorization.

1020345213222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1094557 (or 1094554 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The spelling of 1020345213222 in words is "one trillion, twenty billion, three hundred forty-five million, two hundred thirteen thousand, two hundred twenty-two".