20012030 has 32 divisors (see below), whose sum is σ = 37592640. Its totient is φ = 7660800.

The previous prime is 20012023. The next prime is 20012053. The reversal of 20012030 is 3021002.

It is a super-3 number, since 3×20012030³ (a number of 23 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20011999 and 20012017.

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, 43562 + ... + 44018.

It is an arithmetic number, because the mean of its divisors is an integer number (1174770).

Almost surely, 2^20012030 is an apocalyptic number.

20012030 is a deficient number, since it is larger than the sum of its proper divisors (17580610).

20012030 is a wasteful number, since it uses less digits than its factorization.

20012030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 644.

The product of its (nonzero) digits is 12, while the sum is 8.

The square root of 20012030 is about 4473.4807476952. The cubic root of 20012030 is about 271.4961748243.

Adding to 20012030 its reverse (3021002), we get a palindrome (23033032).

The spelling of 20012030 in words is "twenty million, twelve thousand, thirty".