1020300099 has 24 divisors (see below), whose sum is σ = 1704240720. Its totient is φ = 538179264.

The previous prime is 1020300037. The next prime is 1020300103. The reversal of 1020300099 is 9900030201.

It is a happy number.

It is not a de Polignac number, because 1020300099 - 2⁷ = 1020299971 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1020308099) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 265044 + ... + 268865.

It is an arithmetic number, because the mean of its divisors is an integer number (71010030).

Almost surely, 2^1020300099 is an apocalyptic number.

1020300099 is a deficient number, since it is larger than the sum of its proper divisors (683940621).

1020300099 is a wasteful number, since it uses less digits than its factorization.

1020300099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 533939 (or 533932 counting only the distinct ones).

The product of its (nonzero) digits is 486, while the sum is 24.

The square root of 1020300099 is about 31942.1367319095. The cubic root of 1020300099 is about 1006.7214209481.

The spelling of 1020300099 in words is "one billion, twenty million, three hundred thousand, ninety-nine".