1020421300 has 36 divisors (see below), whose sum is σ = 2215957996. Its totient is φ = 407865600.

The previous prime is 1020421291. The next prime is 1020421319. The reversal of 1020421300 is 31240201.

1020421300 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 6 ways, for example, as 58553104 + 961868196 = 7652^2 + 31014^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 172390 + ... + 178210.

Almost surely, 2^1020421300 is an apocalyptic number.

1020421300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1020421300 is an abundant number, since it is smaller than the sum of its proper divisors (1195536696).

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

1020421300 is a wasteful number, since it uses less digits than its factorization.

1020421300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7588 (or 7581 counting only the distinct ones).

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

The square root of 1020421300 is about 31944.0338717576. The cubic root of 1020421300 is about 1006.7612820347.

Adding to 1020421300 its reverse (31240201), we get a palindrome (1051661501).

The spelling of 1020421300 in words is "one billion, twenty million, four hundred twenty-one thousand, three hundred".