1023102220 has 24 divisors (see below), whose sum is σ = 2455445664. Its totient is φ = 350777856.

The previous prime is 1023102209. The next prime is 1023102229. The reversal of 1023102220 is 222013201.

It is a self number, because there is not a number n which added to its sum of digits gives 1023102220.

It is not an unprimeable number, because it can be changed into a prime (1023102229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3653797 + ... + 3654076.

It is an arithmetic number, because the mean of its divisors is an integer number (102310236).

Almost surely, 2^1023102220 is an apocalyptic number.

1023102220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1023102220 is an abundant number, since it is smaller than the sum of its proper divisors (1432343444).

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

1023102220 is a wasteful number, since it uses less digits than its factorization.

1023102220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7307889 (or 7307887 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 1023102220 is about 31985.9691114714. The cubic root of 1023102220 is about 1007.6421881841.

Adding to 1023102220 its reverse (222013201), we get a palindrome (1245115421).

The spelling of 1023102220 in words is "one billion, twenty-three million, one hundred two thousand, two hundred twenty".