20173038 has 32 divisors (see below), whose sum is σ = 42024960. Its totient is φ = 6447840.

The previous prime is 20172989. The next prime is 20173051. The reversal of 20173038 is 83037102.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 20172999 and 20173017.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32931 + ... + 33537.

It is an arithmetic number, because the mean of its divisors is an integer number (1313280).

Almost surely, 2^20173038 is an apocalyptic number.

20173038 is an abundant number, since it is smaller than the sum of its proper divisors (21851922).

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

20173038 is a wasteful number, since it uses less digits than its factorization.

20173038 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 832.

The product of its (nonzero) digits is 1008, while the sum is 24.

The square root of 20173038 is about 4491.4405261564. The cubic root of 20173038 is about 272.2223437888. Note that the first 3 decimals are identical.

The spelling of 20173038 in words is "twenty million, one hundred seventy-three thousand, thirty-eight".