20622651441 has 8 divisors (see below), whose sum is σ = 31424992704. Its totient is φ = 11784372240.

The previous prime is 20622651383. The next prime is 20622651449. The reversal of 20622651441 is 14415622602.

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

It is not a de Polignac number, because 20622651441 - 2¹¹ = 20622649393 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (20622651449) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 491015490 + ... + 491015531.

It is an arithmetic number, because the mean of its divisors is an integer number (3928124088).

Almost surely, 2^20622651441 is an apocalyptic number.

20622651441 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

20622651441 is a deficient number, since it is larger than the sum of its proper divisors (10802341263).

20622651441 is an equidigital number, since it uses as much as digits as its factorization.

20622651441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 982031031.

The product of its (nonzero) digits is 23040, while the sum is 33.

The spelling of 20622651441 in words is "twenty billion, six hundred twenty-two million, six hundred fifty-one thousand, four hundred forty-one".