1022000320 has 112 divisors (see below), whose sum is σ = 2670048000. Its totient is φ = 369515520.

The previous prime is 1022000293. The next prime is 1022000323. The reversal of 1022000320 is 230002201.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a junction number, because it is equal to n+sod(n) for n = 1022000297 and 1022000306.

It is not an unprimeable number, because it can be changed into a prime (1022000323) 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, 699751 + ... + 701209.

Almost surely, 2^1022000320 is an apocalyptic number.

1022000320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1022000320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1335024000).

1022000320 is an abundant number, since it is smaller than the sum of its proper divisors (1648047680).

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

1022000320 is a wasteful number, since it uses less digits than its factorization.

1022000320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1686 (or 1676 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 10.

The square root of 1022000320 is about 31968.7397311811. The cubic root of 1022000320 is about 1007.2803084826.

Adding to 1022000320 its reverse (230002201), we get a palindrome (1252002521).

The spelling of 1022000320 in words is "one billion, twenty-two million, three hundred twenty", and thus it is an aban number.