20212234100 has 36 divisors (see below), whose sum is σ = 44579586828. Its totient is φ = 7952352000.

The previous prime is 20212234073. The next prime is 20212234127. The reversal of 20212234100 is 143221202.

It is an interprime number because it is at equal distance from previous prime (20212234073) and next prime (20212234127).

It can be written as a sum of positive squares in 6 ways, for example, as 289476196 + 19922757904 = 17014^2 + 141148^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1650641 + ... + 1662840.

Almost surely, 2^20212234100 is an apocalyptic number.

20212234100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20212234100 is an abundant number, since it is smaller than the sum of its proper divisors (24367352728).

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

20212234100 is a wasteful number, since it uses less digits than its factorization.

20212234100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3313556 (or 3313549 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 20212234100 its reverse (143221202), we get a palindrome (20355455302).

The spelling of 20212234100 in words is "twenty billion, two hundred twelve million, two hundred thirty-four thousand, one hundred".