1040020300 has 36 divisors (see below), whose sum is σ = 2462014296. Its totient is φ = 378188800.

The previous prime is 1040020253. The next prime is 1040020307. The reversal of 1040020300 is 30200401.

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 (1040020307) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 471637 + ... + 473836.

It is an arithmetic number, because the mean of its divisors is an integer number (68389286).

Almost surely, 2^1040020300 is an apocalyptic number.

1040020300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1040020300 is an abundant number, since it is smaller than the sum of its proper divisors (1421993996).

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

1040020300 is a wasteful number, since it uses less digits than its factorization.

1040020300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 945498 (or 945491 counting only the distinct ones).

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

The square root of 1040020300 is about 32249.3457297974. The cubic root of 1040020300 is about 1013.1659958080.

Adding to 1040020300 its reverse (30200401), we get a palindrome (1070220701).

The spelling of 1040020300 in words is "one billion, forty million, twenty thousand, three hundred".