1020533001 has 16 divisors (see below), whose sum is σ = 1479694464. Its totient is φ = 623026944.

The previous prime is 1020532993. The next prime is 1020533039. The reversal of 1020533001 is 1003350201.

It is a happy number.

It is not a de Polignac number, because 1020533001 - 2³ = 1020532993 is a prime.

It is a super-2 number, since 2×1020533001² = 2082975212260132002, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1020533071) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 268525 + ... + 272298.

It is an arithmetic number, because the mean of its divisors is an integer number (92480904).

Almost surely, 2^1020533001 is an apocalyptic number.

It is an amenable number.

1020533001 is a deficient number, since it is larger than the sum of its proper divisors (459161463).

1020533001 is a wasteful number, since it uses less digits than its factorization.

1020533001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 540880.

The product of its (nonzero) digits is 90, while the sum is 15.

The square root of 1020533001 is about 31945.7822098630. The cubic root of 1020533001 is about 1006.7980159272.

Adding to 1020533001 its reverse (1003350201), we get a palindrome (2023883202).

The spelling of 1020533001 in words is "one billion, twenty million, five hundred thirty-three thousand, one".