1023220000 has 120 divisors (see below), whose sum is σ = 2746708272. Its totient is φ = 372000000.

The previous prime is 1023219997. The next prime is 1023220001. The reversal of 1023220000 is 223201.

1023220000 is digitally balanced in base 2, because in such base 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 (10).

It is not an unprimeable number, because it can be changed into a prime (1023220001) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 217675 + ... + 222325.

Almost surely, 2^1023220000 is an apocalyptic number.

1023220000 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 1023220000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1373354136).

1023220000 is an abundant number, since it is smaller than the sum of its proper divisors (1723488272).

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

1023220000 is an equidigital number, since it uses as much as digits as its factorization.

1023220000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4692 (or 4669 counting only the distinct ones).

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

The square root of 1023220000 is about 31987.8101782538. The cubic root of 1023220000 is about 1007.6808534451.

Adding to 1023220000 its reverse (223201), we get a palindrome (1023443201).

The spelling of 1023220000 in words is "one billion, twenty-three million, two hundred twenty thousand".