30020022 has 12 divisors (see below), whose sum is σ = 65043420. Its totient is φ = 10006668.

The previous prime is 30019963. The next prime is 30020041. The reversal of 30020022 is 22002003.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 30019986 and 30020013.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 833872 + ... + 833907.

It is an arithmetic number, because the mean of its divisors is an integer number (5420285).

Almost surely, 2^30020022 is an apocalyptic number.

30020022 is an abundant number, since it is smaller than the sum of its proper divisors (35023398).

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

30020022 is a wasteful number, since it uses less digits than its factorization.

30020022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1667787 (or 1667784 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 9.

The square root of 30020022 is about 5479.0530203677. The cubic root of 30020022 is about 310.7923607888.

Adding to 30020022 its reverse (22002003), we get a palindrome (52022025).

The spelling of 30020022 in words is "thirty million, twenty thousand, twenty-two".