30220851 has 8 divisors (see below), whose sum is σ = 40528080. Its totient is φ = 20030432.

The previous prime is 30220847. The next prime is 30220867. The reversal of 30220851 is 15802203.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 30220851 - 2² = 30220847 is a prime.

It is not an unprimeable number, because it can be changed into a prime (30220891) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28596 + ... + 29633.

It is an arithmetic number, because the mean of its divisors is an integer number (5066010).

Almost surely, 2^30220851 is an apocalyptic number.

30220851 is a deficient number, since it is larger than the sum of its proper divisors (10307229).

30220851 is a wasteful number, since it uses less digits than its factorization.

30220851 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58405.

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 30220851 is about 5497.3494522361. The cubic root of 30220851 is about 311.4838709360.

The spelling of 30220851 in words is "thirty million, two hundred twenty thousand, eight hundred fifty-one".