1020434506 has 36 divisors (see below), whose sum is σ = 1928086902. Its totient is φ = 403681824.

The previous prime is 1020434479. The next prime is 1020434509. The reversal of 1020434506 is 6054340201.

It can be written as a sum of positive squares in 3 ways, for example, as 161417025 + 859017481 = 12705^2 + 29309^2 .

It is not an unprimeable number, because it can be changed into a prime (1020434509) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 14245 + ... + 47368.

Almost surely, 2^1020434506 is an apocalyptic number.

1020434506 is a deficient number, since it is larger than the sum of its proper divisors (907652396).

1020434506 is a wasteful number, since it uses less digits than its factorization.

1020434506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61655 (or 61635 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 1020434506 is about 31944.2405763543. The cubic root of 1020434506 is about 1006.7656250880.

Adding to 1020434506 its reverse (6054340201), we get a palindrome (7074774707).

The spelling of 1020434506 in words is "one billion, twenty million, four hundred thirty-four thousand, five hundred six".