30020319 has 12 divisors (see below), whose sum is σ = 49557456. Its totient is φ = 17154432.

The previous prime is 30020299. The next prime is 30020327. The reversal of 30020319 is 91302003.

It is not a de Polignac number, because 30020319 - 2¹⁹ = 29496031 is a prime.

It is a super-2 number, since 2×30020319² = 1802439105723522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30020329) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 238194 + ... + 238319.

It is an arithmetic number, because the mean of its divisors is an integer number (4129788).

Almost surely, 2^30020319 is an apocalyptic number.

30020319 is a deficient number, since it is larger than the sum of its proper divisors (19537137).

30020319 is a wasteful number, since it uses less digits than its factorization.

30020319 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 476526 (or 476523 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 18.

The square root of 30020319 is about 5479.0801235244. The cubic root of 30020319 is about 310.7933857161.

The spelling of 30020319 in words is "thirty million, twenty thousand, three hundred nineteen".