20203030 has 32 divisors (see below), whose sum is σ = 37322208. Its totient is φ = 7872000.

The previous prime is 20203003. The next prime is 20203049. The reversal of 20203030 is 3030202.

It is a Harshad number since it is a multiple of its sum of digits (10).

20203030 is a modest number, since divided by 3030 gives 2020 as remainder.

It is a junction number, because it is equal to n+sod(n) for n = 20202998 and 20203016.

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, 83710 + ... + 83950.

It is an arithmetic number, because the mean of its divisors is an integer number (1166319).

Almost surely, 2^20203030 is an apocalyptic number.

20203030 is a deficient number, since it is larger than the sum of its proper divisors (17119178).

20203030 is a wasteful number, since it uses less digits than its factorization.

20203030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 432.

The product of its (nonzero) digits is 36, while the sum is 10.

The square root of 20203030 is about 4494.7780812850. The cubic root of 20203030 is about 272.3571846545.

Adding to 20203030 its reverse (3030202), we get a palindrome (23233232).

It can be divided in two parts, 2020 and 3030, that added together give a triangular number (5050 = T₁₀₀).

The spelling of 20203030 in words is "twenty million, two hundred three thousand, thirty".