201430026 has 24 divisors (see below), whose sum is σ = 498779424. Its totient is φ = 57551400.

The previous prime is 201429997. The next prime is 201430037. The reversal of 201430026 is 620034102.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 201429990 and 201430008.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 799200 + ... + 799451.

It is an arithmetic number, because the mean of its divisors is an integer number (20782476).

Almost surely, 2^201430026 is an apocalyptic number.

201430026 is an abundant number, since it is smaller than the sum of its proper divisors (297349398).

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

201430026 is a wasteful number, since it uses less digits than its factorization.

201430026 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1598666 (or 1598663 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 201430026 is about 14192.6046235355. The cubic root of 201430026 is about 586.1940459385.

Adding to 201430026 its reverse (620034102), we get a palindrome (821464128).

The spelling of 201430026 in words is "two hundred one million, four hundred thirty thousand, twenty-six".