30620026 has 8 divisors (see below), whose sum is σ = 48631860. Its totient is φ = 14409408.

The previous prime is 30620021. The next prime is 30620041. The reversal of 30620026 is 62002603.

It can be written as a sum of positive squares in 2 ways, for example, as 25553025 + 5067001 = 5055^2 + 2251^2 .

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 = 30619985 and 30620012.

It is not an unprimeable number, because it can be changed into a prime (30620021) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 450261 + ... + 450328.

Almost surely, 2^30620026 is an apocalyptic number.

30620026 is a deficient number, since it is larger than the sum of its proper divisors (18011834).

30620026 is a wasteful number, since it uses less digits than its factorization.

30620026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 900608.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 30620026 is about 5533.5364822146. The cubic root of 30620026 is about 312.8492981717.

Adding to 30620026 its reverse (62002603), we get a palindrome (92622629).

The spelling of 30620026 in words is "thirty million, six hundred twenty thousand, twenty-six".