20163004 has 12 divisors (see below), whose sum is σ = 36502200. Its totient is φ = 9733808.

The previous prime is 20162999. The next prime is 20163023. The reversal of 20163004 is 40036102.

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, 86794 + ... + 87025.

It is an arithmetic number, because the mean of its divisors is an integer number (3041850).

Almost surely, 2^20163004 is an apocalyptic number.

It is an amenable number.

20163004 is a deficient number, since it is larger than the sum of its proper divisors (16339196).

20163004 is a wasteful number, since it uses less digits than its factorization.

20163004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 173852 (or 173850 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 20163004 is about 4490.3233736558. The cubic root of 20163004 is about 272.1772021498.

Adding to 20163004 its reverse (40036102), we get a palindrome (60199106).

The spelling of 20163004 in words is "twenty million, one hundred sixty-three thousand, four".