1011020404 has 12 divisors (see below), whose sum is σ = 1794205728. Its totient is φ = 498390200.

The previous prime is 1011020399. The next prime is 1011020441. The reversal of 1011020404 is 4040201101.

1011020404 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1779682 + ... + 1780249.

It is an arithmetic number, because the mean of its divisors is an integer number (149517144).

Almost surely, 2^1011020404 is an apocalyptic number.

It is an amenable number.

1011020404 is a deficient number, since it is larger than the sum of its proper divisors (783185324).

1011020404 is a wasteful number, since it uses less digits than its factorization.

1011020404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3560006 (or 3560004 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

The square root of 1011020404 is about 31796.5470452375. The cubic root of 1011020404 is about 1003.6600556493.

Adding to 1011020404 its reverse (4040201101), we get a palindrome (5051221505).

The spelling of 1011020404 in words is "one billion, eleven million, twenty thousand, four hundred four".