1020223004 has 12 divisors (see below), whose sum is σ = 1799449344. Its totient is φ = 506094624.

The previous prime is 1020222991. The next prime is 1020223007. The reversal of 1020223004 is 4003220201.

It is a self number, because there is not a number n which added to its sum of digits gives 1020223004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1020223007) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1003649 + ... + 1004664.

It is an arithmetic number, because the mean of its divisors is an integer number (149954112).

Almost surely, 2^1020223004 is an apocalyptic number.

It is an amenable number.

1020223004 is a deficient number, since it is larger than the sum of its proper divisors (779226340).

1020223004 is a wasteful number, since it uses less digits than its factorization.

1020223004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2008444 (or 2008442 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 1020223004 is about 31940.9299175838. The cubic root of 1020223004 is about 1006.6960639827.

Adding to 1020223004 its reverse (4003220201), we get a palindrome (5023443205).

The spelling of 1020223004 in words is "one billion, twenty million, two hundred twenty-three thousand, four".