20212234097 has 12 divisors (see below), whose sum is σ = 22220761668. Its totient is φ = 18371443200.

The previous prime is 20212234073. The next prime is 20212234127. The reversal of 20212234097 is 79043221202.

It can be written as a sum of positive squares in 2 ways, for example, as 9737939761 + 10474294336 = 98681^2 + 102344^2 .

It is not a de Polignac number, because 20212234097 - 2⁶ = 20212234033 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20212234027) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 874433 + ... + 897249.

It is an arithmetic number, because the mean of its divisors is an integer number (1851730139).

Almost surely, 2^20212234097 is an apocalyptic number.

It is an amenable number.

20212234097 is a deficient number, since it is larger than the sum of its proper divisors (2008527571).

20212234097 is a wasteful number, since it uses less digits than its factorization.

20212234097 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30160 (or 30149 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 32.

Adding to 20212234097 its reverse (79043221202), we get a palindrome (99255455299).

The spelling of 20212234097 in words is "twenty billion, two hundred twelve million, two hundred thirty-four thousand, ninety-seven".