30312020022 has 32 divisors (see below), whose sum is σ = 63280251648. Its totient is φ = 9661587936.

The previous prime is 30312019963. The next prime is 30312020033. The reversal of 30312020022 is 22002021303.

It is a junction number, because it is equal to n+sod(n) for n = 30312019983 and 30312020010.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 415153 + ... + 482675.

It is an arithmetic number, because the mean of its divisors is an integer number (1977507864).

Almost surely, 2^30312020022 is an apocalyptic number.

30312020022 is an abundant number, since it is smaller than the sum of its proper divisors (32968231626).

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

30312020022 is a wasteful number, since it uses less digits than its factorization.

30312020022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70804.

The product of its (nonzero) digits is 144, while the sum is 15.

Adding to 30312020022 its reverse (22002021303), we get a palindrome (52314041325).

The spelling of 30312020022 in words is "thirty billion, three hundred twelve million, twenty thousand, twenty-two".