20423422420151 has 8 divisors (see below), whose sum is σ = 20429550820800. Its totient is φ = 20417294563072.

The previous prime is 20423422420127. The next prime is 20423422420187. The reversal of 20423422420151 is 15102422432402.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20423422420151 - 2³⁰ = 20422348678327 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20423422420111) 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, 82447586 + ... + 82694928.

It is an arithmetic number, because the mean of its divisors is an integer number (2553693852600).

Almost surely, 2^{20423422420151} is an apocalyptic number.

20423422420151 is a deficient number, since it is larger than the sum of its proper divisors (6128400649).

20423422420151 is a wasteful number, since it uses less digits than its factorization.

20423422420151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 271785.

The product of its (nonzero) digits is 30720, while the sum is 32.

Adding to 20423422420151 its reverse (15102422432402), we get a palindrome (35525844852553).

The spelling of 20423422420151 in words is "twenty trillion, four hundred twenty-three billion, four hundred twenty-two million, four hundred twenty thousand, one hundred fifty-one".