1020333042 has 24 divisors (see below), whose sum is σ = 2286954540. Its totient is φ = 328382880.

The previous prime is 1020333037. The next prime is 1020333089. The reversal of 1020333042 is 2403330201.

It can be written as a sum of positive squares in 2 ways, for example, as 1011812481 + 8520561 = 31809^2 + 2919^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 976809 + ... + 977852.

Almost surely, 2^1020333042 is an apocalyptic number.

1020333042 is an abundant number, since it is smaller than the sum of its proper divisors (1266621498).

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

1020333042 is a wasteful number, since it uses less digits than its factorization.

1020333042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1954698 (or 1954695 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

The square root of 1020333042 is about 31942.6523945649. The cubic root of 1020333042 is about 1006.7322556907.

Adding to 1020333042 its reverse (2403330201), we get a palindrome (3423663243).

The spelling of 1020333042 in words is "one billion, twenty million, three hundred thirty-three thousand, forty-two".