201930026 has 8 divisors (see below), whose sum is σ = 305074560. Its totient is φ = 100238508.

The previous prime is 201930023. The next prime is 201930061. The reversal of 201930026 is 620039102.

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 = 201929983 and 201930010.

It is not an unprimeable number, because it can be changed into a prime (201930023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 362906 + ... + 363461.

It is an arithmetic number, because the mean of its divisors is an integer number (38134320).

Almost surely, 2^201930026 is an apocalyptic number.

201930026 is a deficient number, since it is larger than the sum of its proper divisors (103144534).

201930026 is a wasteful number, since it uses less digits than its factorization.

201930026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 726508.

The product of its (nonzero) digits is 648, while the sum is 23.

The square root of 201930026 is about 14210.2085136004. The cubic root of 201930026 is about 586.6786722032.

Adding to 201930026 its reverse (620039102), we get a palindrome (821969128).

The spelling of 201930026 in words is "two hundred one million, nine hundred thirty thousand, twenty-six".