1020625036 has 12 divisors (see below), whose sum is σ = 1786440040. Its totient is φ = 510213600.

The previous prime is 1020625019. The next prime is 1020625051. The reversal of 1020625036 is 6305260201.

It is a super-2 number, since 2×1020625036² = 2083350928220002592, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1020625036.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1600 + ... + 45208.

Almost surely, 2^1020625036 is an apocalyptic number.

It is an amenable number.

1020625036 is a deficient number, since it is larger than the sum of its proper divisors (765815004).

1020625036 is a wasteful number, since it uses less digits than its factorization.

1020625036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49464 (or 49462 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 1020625036 is about 31947.2226648890. Note that the first 3 decimals coincide. The cubic root of 1020625036 is about 1006.8282804621.

Adding to 1020625036 its reverse (6305260201), we get a palindrome (7325885237).

The spelling of 1020625036 in words is "one billion, twenty million, six hundred twenty-five thousand, thirty-six".