1020620602 has 32 divisors (see below), whose sum is σ = 1638185472. Its totient is φ = 475229184.

The previous prime is 1020620591. The next prime is 1020620639. The reversal of 1020620602 is 2060260201.

It is a self number, because there is not a number n which added to its sum of digits gives 1020620602.

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, 1720818 + ... + 1721410.

It is an arithmetic number, because the mean of its divisors is an integer number (51193296).

Almost surely, 2^1020620602 is an apocalyptic number.

1020620602 is a deficient number, since it is larger than the sum of its proper divisors (617564870).

1020620602 is a wasteful number, since it uses less digits than its factorization.

1020620602 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1062.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 1020620602 is about 31947.1532691099. The cubic root of 1020620602 is about 1006.8268224395.

Adding to 1020620602 its reverse (2060260201), we get a palindrome (3080880803).

The spelling of 1020620602 in words is "one billion, twenty million, six hundred twenty thousand, six hundred two".