20979229341 has 8 divisors (see below), whose sum is σ = 31968349504. Its totient is φ = 11988131040.

The previous prime is 20979229303. The next prime is 20979229351. The reversal of 20979229341 is 14392297902.

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

It is not a de Polignac number, because 20979229341 - 2⁶ = 20979229277 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20979229351) 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, 499505440 + ... + 499505481.

It is an arithmetic number, because the mean of its divisors is an integer number (3996043688).

Almost surely, 2^20979229341 is an apocalyptic number.

20979229341 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

20979229341 is a deficient number, since it is larger than the sum of its proper divisors (10989120163).

20979229341 is an equidigital number, since it uses as much as digits as its factorization.

20979229341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 999010931.

The product of its (nonzero) digits is 489888, while the sum is 48.

The spelling of 20979229341 in words is "twenty billion, nine hundred seventy-nine million, two hundred twenty-nine thousand, three hundred forty-one".