1020321002022 has 16 divisors (see below), whose sum is σ = 2332162290432. Its totient is φ = 291520286280.

The previous prime is 1020321001991. The next prime is 1020321002023. The reversal of 1020321002022 is 2202001230201.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1020321001992 and 1020321002010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1020321002023) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12146678554 + ... + 12146678637.

It is an arithmetic number, because the mean of its divisors is an integer number (145760143152).

Almost surely, 2^{1020321002022} is an apocalyptic number.

1020321002022 is an abundant number, since it is smaller than the sum of its proper divisors (1311841288410).

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

1020321002022 is a wasteful number, since it uses less digits than its factorization.

1020321002022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24293357203.

The product of its (nonzero) digits is 96, while the sum is 15.

Adding to 1020321002022 its reverse (2202001230201), we get a palindrome (3222322232223).

The spelling of 1020321002022 in words is "one trillion, twenty billion, three hundred twenty-one million, two thousand, twenty-two".