20422651926486 has 64 divisors (see below), whose sum is σ = 41593843906560. Its totient is φ = 6684030312960.

The previous prime is 20422651926473. The next prime is 20422651926487. The reversal of 20422651926486 is 68462915622402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20422651926487) 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 31 ways as a sum of consecutive naturals, for example, 43726051 + ... + 44190641.

It is an arithmetic number, because the mean of its divisors is an integer number (649903811040).

Almost surely, 2^{20422651926486} is an apocalyptic number.

20422651926486 is an abundant number, since it is smaller than the sum of its proper divisors (21171191980074).

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

20422651926486 is a wasteful number, since it uses less digits than its factorization.

20422651926486 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 465261.

The product of its (nonzero) digits is 19906560, while the sum is 57.

The spelling of 20422651926486 in words is "twenty trillion, four hundred twenty-two billion, six hundred fifty-one million, nine hundred twenty-six thousand, four hundred eighty-six".