20331404230132 has 12 divisors (see below), whose sum is σ = 36447761242116. Its totient is φ = 9917758160960.

The previous prime is 20331404230097. The next prime is 20331404230201. The reversal of 20331404230132 is 23103240413302.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 6061414456036 + 14269989774096 = 2461994^2 + 3777564^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 20331404230132.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 61985988343 + ... + 61985988670.

It is an arithmetic number, because the mean of its divisors is an integer number (3037313436843).

Almost surely, 2^{20331404230132} is an apocalyptic number.

It is an amenable number.

20331404230132 is a deficient number, since it is larger than the sum of its proper divisors (16116357011984).

20331404230132 is a wasteful number, since it uses less digits than its factorization.

20331404230132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123971977058 (or 123971977056 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 28.

Adding to 20331404230132 its reverse (23103240413302), we get a palindrome (43434644643434).

The spelling of 20331404230132 in words is "twenty trillion, three hundred thirty-one billion, four hundred four million, two hundred thirty thousand, one hundred thirty-two".