20229038 has 8 divisors (see below), whose sum is σ = 30440232. Its totient is φ = 10082296.

The previous prime is 20229007. The next prime is 20229067. The reversal of 20229038 is 83092202.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 20228998 and 20229016.

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, 15320 + ... + 16587.

It is an arithmetic number, because the mean of its divisors is an integer number (3805029).

Almost surely, 2^20229038 is an apocalyptic number.

20229038 is a deficient number, since it is larger than the sum of its proper divisors (10211194).

20229038 is a wasteful number, since it uses less digits than its factorization.

20229038 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32226.

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 20229038 is about 4497.6702858258. The cubic root of 20229038 is about 272.4740058812.

The spelling of 20229038 in words is "twenty million, two hundred twenty-nine thousand, thirty-eight".