1022020231320 has 160 divisors (see below), whose sum is σ = 3747407645520. Its totient is φ = 247762471680.

The previous prime is 1022020231319. The next prime is 1022020231357. The reversal of 1022020231320 is 231320202201.

1022020231320 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 1022020231293 and 1022020231302.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 14302467 + ... + 14373746.

Almost surely, 2^{1022020231320} is an apocalyptic number.

1022020231320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1022020231320 is an abundant number, since it is smaller than the sum of its proper divisors (2725387414200).

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

1022020231320 is a wasteful number, since it uses less digits than its factorization.

1022020231320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28676247 (or 28676234 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 1022020231320 its reverse (231320202201), we get a palindrome (1253340433521).

The spelling of 1022020231320 in words is "one trillion, twenty-two billion, twenty million, two hundred thirty-one thousand, three hundred twenty".