1020533404 has 24 divisors (see below), whose sum is σ = 1949731056. Its totient is φ = 463536000.

The previous prime is 1020533399. The next prime is 1020533407. The reversal of 1020533404 is 4043350201.

1020533404 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1020533407) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57334 + ... + 72994.

It is an arithmetic number, because the mean of its divisors is an integer number (81238794).

Almost surely, 2^1020533404 is an apocalyptic number.

It is an amenable number.

1020533404 is a deficient number, since it is larger than the sum of its proper divisors (929197652).

1020533404 is a wasteful number, since it uses less digits than its factorization.

1020533404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17157 (or 17155 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 1020533404 is about 31945.7885174243. The cubic root of 1020533404 is about 1006.7981484525.

Adding to 1020533404 its reverse (4043350201), we get a palindrome (5063883605).

The spelling of 1020533404 in words is "one billion, twenty million, five hundred thirty-three thousand, four hundred four".