1020063630 has 32 divisors (see below), whose sum is σ = 2505089664. Its totient is φ = 265690656.

The previous prime is 1020063613. The next prime is 1020063643. The reversal of 1020063630 is 363600201.

It is a junction number, because it is equal to n+sod(n) for n = 1020063597 and 1020063606.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 394084 + ... + 396663.

It is an arithmetic number, because the mean of its divisors is an integer number (78284052).

Almost surely, 2^1020063630 is an apocalyptic number.

1020063630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1020063630 is an abundant number, since it is smaller than the sum of its proper divisors (1485026034).

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

1020063630 is a wasteful number, since it uses less digits than its factorization.

1020063630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 790800.

The product of its (nonzero) digits is 648, while the sum is 21.

The square root of 1020063630 is about 31938.4349960984. The cubic root of 1020063630 is about 1006.6436409559.

Adding to 1020063630 its reverse (363600201), we get a palindrome (1383663831).

The spelling of 1020063630 in words is "one billion, twenty million, sixty-three thousand, six hundred thirty".