20401107007467 has 4 divisors (see below), whose sum is σ = 27201476009960. Its totient is φ = 13600738004976.

The previous prime is 20401107007459. The next prime is 20401107007469. The reversal of 20401107007467 is 76470070110402.

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

It is not a de Polignac number, because 20401107007467 - 2³ = 20401107007459 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20401107007469) 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 3 ways as a sum of consecutive naturals, for example, 3400184501242 + ... + 3400184501247.

It is an arithmetic number, because the mean of its divisors is an integer number (6800369002490).

Almost surely, 2^{20401107007467} is an apocalyptic number.

20401107007467 is a deficient number, since it is larger than the sum of its proper divisors (6800369002493).

20401107007467 is an equidigital number, since it uses as much as digits as its factorization.

20401107007467 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6800369002492.

The product of its (nonzero) digits is 65856, while the sum is 39.

Adding to 20401107007467 its reverse (76470070110402), we get a palindrome (96871177117869).

The spelling of 20401107007467 in words is "twenty trillion, four hundred one billion, one hundred seven million, seven thousand, four hundred sixty-seven".