20620152426 has 8 divisors (see below), whose sum is σ = 41240304864. Its totient is φ = 6873384140.

The previous prime is 20620152419. The next prime is 20620152437. The reversal of 20620152426 is 62425102602.

It is a happy number.

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

20620152426 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 20620152393 and 20620152402.

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 3 ways as a sum of consecutive naturals, for example, 1718346030 + ... + 1718346041.

It is an arithmetic number, because the mean of its divisors is an integer number (5155038108).

Almost surely, 2^20620152426 is an apocalyptic number.

20620152426 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20620152426 is a wasteful number, since it uses less digits than its factorization.

20620152426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3436692076.

The product of its (nonzero) digits is 11520, while the sum is 30.

The spelling of 20620152426 in words is "twenty billion, six hundred twenty million, one hundred fifty-two thousand, four hundred twenty-six".