1022020323321 has 16 divisors (see below), whose sum is σ = 1378890209088. Its totient is φ = 673270579200.

The previous prime is 1022020323307. The next prime is 1022020323323. The reversal of 1022020323321 is 1233230202201.

It is a happy number.

It is not a de Polignac number, because 1022020323321 - 2³⁰ = 1020946581497 is a prime.

It is a super-2 number, since 2×1022020323321² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1022020323323) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2553015 + ... + 2926076.

It is an arithmetic number, because the mean of its divisors is an integer number (86180638068).

Almost surely, 2^{1022020323321} is an apocalyptic number.

It is an amenable number.

1022020323321 is a deficient number, since it is larger than the sum of its proper divisors (356869885767).

1022020323321 is an equidigital number, since it uses as much as digits as its factorization.

1022020323321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5479832.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 1022020323321 its reverse (1233230202201), we get a palindrome (2255250525522).

The spelling of 1022020323321 in words is "one trillion, twenty-two billion, twenty million, three hundred twenty-three thousand, three hundred twenty-one".