20001332122302 has 16 divisors (see below), whose sum is σ = 41083817332752. Its totient is φ = 6486918526080.

The previous prime is 20001332122253. The next prime is 20001332122309. The reversal of 20001332122302 is 20322123310002.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20001332122309) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45048045099 + ... + 45048045542.

It is an arithmetic number, because the mean of its divisors is an integer number (2567738583297).

Almost surely, 2^{20001332122302} is an apocalyptic number.

20001332122302 is an abundant number, since it is smaller than the sum of its proper divisors (21082485210450).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20001332122302 is a wasteful number, since it uses less digits than its factorization.

20001332122302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90096090683.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 20001332122302 its reverse (20322123310002), we get a palindrome (40323455432304).

The spelling of 20001332122302 in words is "twenty trillion, one billion, three hundred thirty-two million, one hundred twenty-two thousand, three hundred two".