20010322021322 has 4 divisors (see below), whose sum is σ = 30015483031986. Its totient is φ = 10005161010660.

The previous prime is 20010322021259. The next prime is 20010322021331. The reversal of 20010322021322 is 22312022301002.

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., 14441755653361 + 5568566367961 = 3800231^2 + 2359781^2 .

It is a junction number, because it is equal to n+sod(n) for n = 20010322021294 and 20010322021303.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5002580505329 + ... + 5002580505332.

Almost surely, 2^{20010322021322} is an apocalyptic number.

20010322021322 is a deficient number, since it is larger than the sum of its proper divisors (10005161010664).

20010322021322 is a wasteful number, since it uses less digits than its factorization.

20010322021322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10005161010663.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 20010322021322 its reverse (22312022301002), we get a palindrome (42322344322324).

The spelling of 20010322021322 in words is "twenty trillion, ten billion, three hundred twenty-two million, twenty-one thousand, three hundred twenty-two".