20212200030 has 64 divisors (see below), whose sum is σ = 52962336000. Its totient is φ = 4895934720.

The previous prime is 20212200017. The next prime is 20212200037. The reversal of 20212200030 is 3000221202.

It is a junction number, because it is equal to n+sod(n) for n = 20212199979 and 20212200015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20212200037) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 391146 + ... + 439794.

It is an arithmetic number, because the mean of its divisors is an integer number (827536500).

Almost surely, 2^20212200030 is an apocalyptic number.

20212200030 is an abundant number, since it is smaller than the sum of its proper divisors (32750135970).

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

20212200030 is a wasteful number, since it uses less digits than its factorization.

20212200030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49929.

The product of its (nonzero) digits is 48, while the sum is 12.

Adding to 20212200030 its reverse (3000221202), we get a palindrome (23212421232).

The spelling of 20212200030 in words is "twenty billion, two hundred twelve million, two hundred thousand, thirty".