20630120132 has 12 divisors (see below), whose sum is σ = 36104619516. Its totient is φ = 10314514560.

The previous prime is 20630120131. The next prime is 20630120171. The reversal of 20630120132 is 23102103602.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 9456784516 + 11173335616 = 97246^2 + 105704^2 .

It is not an unprimeable number, because it can be changed into a prime (20630120131) 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 in 3 ways as a sum of consecutive naturals, for example, 44393 + ... + 207920.

It is an arithmetic number, because the mean of its divisors is an integer number (3008718293).

Almost surely, 2^20630120132 is an apocalyptic number.

It is an amenable number.

20630120132 is a deficient number, since it is larger than the sum of its proper divisors (15474499384).

20630120132 is a wasteful number, since it uses less digits than its factorization.

20630120132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 272758 (or 272756 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 20630120132 its reverse (23102103602), we get a palindrome (43732223734).

The spelling of 20630120132 in words is "twenty billion, six hundred thirty million, one hundred twenty thousand, one hundred thirty-two".