30820364390 has 8 divisors (see below), whose sum is σ = 55476655920. Its totient is φ = 12328145752.

The previous prime is 30820364357. The next prime is 30820364431. The reversal of 30820364390 is 9346302803.

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

It is a super-2 number, since 2×30820364390² (a number of 22 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1541018210 + ... + 1541018229.

It is an arithmetic number, because the mean of its divisors is an integer number (6934581990).

Almost surely, 2^30820364390 is an apocalyptic number.

30820364390 is a deficient number, since it is larger than the sum of its proper divisors (24656291530).

30820364390 is a wasteful number, since it uses less digits than its factorization.

30820364390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3082036446.

The product of its (nonzero) digits is 93312, while the sum is 38.

The spelling of 30820364390 in words is "thirty billion, eight hundred twenty million, three hundred sixty-four thousand, three hundred ninety".