20335420132 has 12 divisors (see below), whose sum is σ = 35666246700. Its totient is φ = 10145063936.

The previous prime is 20335420117. The next prime is 20335420153. The reversal of 20335420132 is 23102453302.

It can be written as a sum of positive squares in 2 ways, for example, as 7759143396 + 12576276736 = 88086^2 + 112144^2 .

It is a junction number, because it is equal to n+sod(n) for n = 20335420097 and 20335420106.

It is an unprimeable number.

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, 5659513 + ... + 5663104.

It is an arithmetic number, because the mean of its divisors is an integer number (2972187225).

Almost surely, 2^20335420132 is an apocalyptic number.

It is an amenable number.

20335420132 is a deficient number, since it is larger than the sum of its proper divisors (15330826568).

20335420132 is a wasteful number, since it uses less digits than its factorization.

20335420132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11323070 (or 11323068 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 25.

Adding to 20335420132 its reverse (23102453302), we get a palindrome (43437873434).

The spelling of 20335420132 in words is "twenty billion, three hundred thirty-five million, four hundred twenty thousand, one hundred thirty-two".