20626240046 has 8 divisors (see below), whose sum is σ = 32759322480. Its totient is φ = 9706465888.

The previous prime is 20626240021. The next prime is 20626240049. The reversal of 20626240046 is 64004262602.

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

It is a junction number, because it is equal to n+sod(n) for n = 20626239994 and 20626240021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20626240049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 303327026 + ... + 303327093.

It is an arithmetic number, because the mean of its divisors is an integer number (4094915310).

Almost surely, 2^20626240046 is an apocalyptic number.

20626240046 is a deficient number, since it is larger than the sum of its proper divisors (12133082434).

20626240046 is a wasteful number, since it uses less digits than its factorization.

20626240046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 606654138.

The product of its (nonzero) digits is 27648, while the sum is 32.

The spelling of 20626240046 in words is "twenty billion, six hundred twenty-six million, two hundred forty thousand, forty-six".