1020163104 has 36 divisors (see below), whose sum is σ = 2901089646. Its totient is φ = 340054272.

The previous prime is 1020163093. The next prime is 1020163129. The reversal of 1020163104 is 4013610201.

It is a happy number.

1020163104 is a `hidden beast` number, since 10 + 20 + 1 + 631 + 0 + 4 = 666.

It can be written as a sum of positive squares in only one way, i.e., 747913104 + 272250000 = 27348^2 + 16500^2 .

It is a tau number, because it is divible by the number of its divisors (36).

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 5 ways as a sum of consecutive naturals, for example, 1770829 + ... + 1771404.

Almost surely, 2^1020163104 is an apocalyptic number.

It is an amenable number.

1020163104 is an abundant number, since it is smaller than the sum of its proper divisors (1880926542).

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

1020163104 is a wasteful number, since it uses less digits than its factorization.

1020163104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3542249 (or 3542238 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 1020163104 is about 31939.9922354405. The cubic root of 1020163104 is about 1006.6763616646.

Adding to 1020163104 its reverse (4013610201), we get a palindrome (5033773305).

The spelling of 1020163104 in words is "one billion, twenty million, one hundred sixty-three thousand, one hundred four".