1023020000 has 60 divisors (see below), whose sum is σ = 2516831856. Its totient is φ = 409200000.

The previous prime is 1023019997. The next prime is 1023020039. The reversal of 1023020000 is 203201.

It is a Harshad number since it is a multiple of its sum of digits (8).

It is a self number, because there is not a number n which added to its sum of digits gives 1023020000.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 5576 + ... + 45575.

Almost surely, 2^1023020000 is an apocalyptic number.

1023020000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1023020000 is an abundant number, since it is smaller than the sum of its proper divisors (1493811856).

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

1023020000 is an frugal number, since it uses more digits than its factorization.

1023020000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51181 (or 51158 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 8.

The square root of 1023020000 is about 31984.6838346106. The cubic root of 1023020000 is about 1007.6151949347.

Adding to 1023020000 its reverse (203201), we get a palindrome (1023223201).

The spelling of 1023020000 in words is "one billion, twenty-three million, twenty thousand".