20623643151 has 8 divisors (see below), whose sum is σ = 28693764480. Its totient is φ = 13151308632.

The previous prime is 20623643129. The next prime is 20623643153. The reversal of 20623643151 is 15134632602.

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

It is not a de Polignac number, because 20623643151 - 2¹³ = 20623634959 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20623643153) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 149446621 + ... + 149446758.

It is an arithmetic number, because the mean of its divisors is an integer number (3586720560).

Almost surely, 2^20623643151 is an apocalyptic number.

20623643151 is a deficient number, since it is larger than the sum of its proper divisors (8070121329).

20623643151 is a wasteful number, since it uses less digits than its factorization.

20623643151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 298893405.

The product of its (nonzero) digits is 25920, while the sum is 33.

The spelling of 20623643151 in words is "twenty billion, six hundred twenty-three million, six hundred forty-three thousand, one hundred fifty-one".