20211230132 has 6 divisors (see below), whose sum is σ = 35369652738. Its totient is φ = 10105615064.

The previous prime is 20211230119. The next prime is 20211230167. The reversal of 20211230132 is 23103211202.

It can be written as a sum of positive squares in only one way, i.e., 17634246436 + 2576983696 = 132794^2 + 50764^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 20211230132.

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 as a sum of consecutive naturals, namely, 2526403763 + ... + 2526403770.

It is an arithmetic number, because the mean of its divisors is an integer number (5894942123).

Almost surely, 2^20211230132 is an apocalyptic number.

It is an amenable number.

20211230132 is a deficient number, since it is larger than the sum of its proper divisors (15158422606).

20211230132 is a wasteful number, since it uses less digits than its factorization.

20211230132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5052807537 (or 5052807535 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 20211230132 its reverse (23103211202), we get a palindrome (43314441334).

The spelling of 20211230132 in words is "twenty billion, two hundred eleven million, two hundred thirty thousand, one hundred thirty-two".