20342819626 has 16 divisors (see below), whose sum is σ = 30947517504. Its totient is φ = 10027118304.

The previous prime is 20342819617. The next prime is 20342819639. The reversal of 20342819626 is 62691824302.

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 7 ways as a sum of consecutive naturals, for example, 271321 + ... + 338083.

It is an arithmetic number, because the mean of its divisors is an integer number (1934219844).

Almost surely, 2^20342819626 is an apocalyptic number.

20342819626 is a deficient number, since it is larger than the sum of its proper divisors (10604697878).

20342819626 is a wasteful number, since it uses less digits than its factorization.

20342819626 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68925.

The product of its (nonzero) digits is 248832, while the sum is 43.

The spelling of 20342819626 in words is "twenty billion, three hundred forty-two million, eight hundred nineteen thousand, six hundred twenty-six".