1020357604 has 12 divisors (see below), whose sum is σ = 2040715264. Its totient is φ = 437296104.

The previous prime is 1020357593. The next prime is 1020357649. The reversal of 1020357604 is 4067530201.

1020357604 is an admirable number.

It is a super-2 number, since 2×1020357604² = 2082259280081241632, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (28), and also a Moran number because the ratio is a prime number: 36441343 = 1020357604 / (1 + 0 + 2 + 0 + 3 + 5 + 7 + 6 + 0 + 4).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18220644 + ... + 18220699.

Almost surely, 2^1020357604 is an apocalyptic number.

1020357604 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1020357604 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1020357604 is a wasteful number, since it uses less digits than its factorization.

1020357604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36441354 (or 36441352 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 28.

The square root of 1020357604 is about 31943.0368625151. The cubic root of 1020357604 is about 1006.7403338241.

Adding to 1020357604 its reverse (4067530201), we get a palindrome (5087887805).

The spelling of 1020357604 in words is "one billion, twenty million, three hundred fifty-seven thousand, six hundred four".