20102210132 has 6 divisors (see below), whose sum is σ = 35178867738. Its totient is φ = 10051105064.

The previous prime is 20102210131. The next prime is 20102210147. The reversal of 20102210132 is 23101220102.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 12540864196 + 7561345936 = 111986^2 + 86956^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20102210131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2512776263 + ... + 2512776270.

It is an arithmetic number, because the mean of its divisors is an integer number (5863144623).

Almost surely, 2^20102210132 is an apocalyptic number.

It is an amenable number.

20102210132 is a deficient number, since it is larger than the sum of its proper divisors (15076657606).

20102210132 is a wasteful number, since it uses less digits than its factorization.

20102210132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5025552537 (or 5025552535 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 20102210132 its reverse (23101220102), we get a palindrome (43203430234).

The spelling of 20102210132 in words is "twenty billion, one hundred two million, two hundred ten thousand, one hundred thirty-two".