20348000779 has 8 divisors (see below), whose sum is σ = 21292249680. Its totient is φ = 19424504736.

The previous prime is 20348000767. The next prime is 20348000797. The reversal of 20348000779 is 97700084302.

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

It is a cyclic number.

It is not a de Polignac number, because 20348000779 - 2⁵ = 20348000747 is a prime.

It is a super-2 number, since 2×20348000779² (a number of 21 digits) contains 22 as substring.

It is a pancake number, because a pancake can be divided into 20348000779 parts by 201732 straight cuts.

It is not an unprimeable number, because it can be changed into a prime (20348000719) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5186209 + ... + 5190130.

It is an arithmetic number, because the mean of its divisors is an integer number (2661531210).

Almost surely, 2^20348000779 is an apocalyptic number.

20348000779 is a deficient number, since it is larger than the sum of its proper divisors (944248901).

20348000779 is a wasteful number, since it uses less digits than its factorization.

20348000779 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10376429.

The product of its (nonzero) digits is 84672, while the sum is 40.

The spelling of 20348000779 in words is "twenty billion, three hundred forty-eight million, seven hundred seventy-nine", and thus it is an aban number.