20461310222000 has 80 divisors (see below), whose sum is σ = 50528117457792. Its totient is φ = 8010385241600.

The previous prime is 20461310221991. The next prime is 20461310222029. The reversal of 20461310222000 is 22201316402.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (80).

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 15 ways as a sum of consecutive naturals, for example, 108742757 + ... + 108930756.

Almost surely, 2^{20461310222000} is an apocalyptic number.

20461310222000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20461310222000 is an abundant number, since it is smaller than the sum of its proper divisors (30066807235792).

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

20461310222000 is a wasteful number, since it uses less digits than its factorization.

20461310222000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 217673583 (or 217673567 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 20461310222000 its reverse (22201316402), we get a palindrome (20483511538402).

The spelling of 20461310222000 in words is "twenty trillion, four hundred sixty-one billion, three hundred ten million, two hundred twenty-two thousand".