20300321433442 has 4 divisors (see below), whose sum is σ = 30450482150166. Its totient is φ = 10150160716720.

The previous prime is 20300321433409. The next prime is 20300321433451. The reversal of 20300321433442 is 24433412300302.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 16808023858081 + 3492297575361 = 4099759^2 + 1868769^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5075080358359 + ... + 5075080358362.

Almost surely, 2^{20300321433442} is an apocalyptic number.

20300321433442 is a deficient number, since it is larger than the sum of its proper divisors (10150160716724).

20300321433442 is a wasteful number, since it uses less digits than its factorization.

20300321433442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10150160716723.

The product of its (nonzero) digits is 41472, while the sum is 31.

Adding to 20300321433442 its reverse (24433412300302), we get a palindrome (44733733733744).

The spelling of 20300321433442 in words is "twenty trillion, three hundred billion, three hundred twenty-one million, four hundred thirty-three thousand, four hundred forty-two".