20071230 has 32 divisors (see below), whose sum is σ = 48328704. Its totient is φ = 5334816.

The previous prime is 20071217. The next prime is 20071267. The reversal of 20071230 is 3217002.

It is a Harshad number since it is a multiple of its sum of digits (15).

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, 10099 + ... + 11921.

It is an arithmetic number, because the mean of its divisors is an integer number (1510272).

Almost surely, 2^20071230 is an apocalyptic number.

20071230 is an abundant number, since it is smaller than the sum of its proper divisors (28257474).

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

20071230 is a wasteful number, since it uses less digits than its factorization.

20071230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2200.

The product of its (nonzero) digits is 84, while the sum is 15.

The square root of 20071230 is about 4480.0926329709. The cubic root of 20071230 is about 271.7636264656.

Adding to 20071230 its reverse (3217002), we get a palindrome (23288232).

It can be divided in two parts, 20071 and 230, that added together give a triangular number (20301 = T₂₀₁).

The spelling of 20071230 in words is "twenty million, seventy-one thousand, two hundred thirty".