1040020533 has 32 divisors (see below), whose sum is σ = 1609804800. Its totient is φ = 662760000.

The previous prime is 1040020529. The next prime is 1040020547. The reversal of 1040020533 is 3350200401.

It is not a de Polignac number, because 1040020533 - 2² = 1040020529 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1040020573) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 72508 + ... + 85658.

It is an arithmetic number, because the mean of its divisors is an integer number (50306400).

Almost surely, 2^1040020533 is an apocalyptic number.

It is an amenable number.

1040020533 is a deficient number, since it is larger than the sum of its proper divisors (569784267).

1040020533 is a wasteful number, since it uses less digits than its factorization.

1040020533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13290 (or 13284 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

The square root of 1040020533 is about 32249.3493422736. The cubic root of 1040020533 is about 1013.1660714693.

Adding to 1040020533 its reverse (3350200401), we get a palindrome (4390220934).

The spelling of 1040020533 in words is "one billion, forty million, twenty thousand, five hundred thirty-three".