20834378058 has 16 divisors (see below), whose sum is σ = 44874045216. Its totient is φ = 6410577840.

The previous prime is 20834378057. The next prime is 20834378087. The reversal of 20834378058 is 85087343802.

It is a super-3 number, since 3×20834378058³ (a number of 32 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20834377998 and 20834378016.

It is not an unprimeable number, because it can be changed into a prime (20834378057) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 133553628 + ... + 133553783.

It is an arithmetic number, because the mean of its divisors is an integer number (2804627826).

Almost surely, 2^20834378058 is an apocalyptic number.

20834378058 is an abundant number, since it is smaller than the sum of its proper divisors (24039667158).

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

20834378058 is a wasteful number, since it uses less digits than its factorization.

20834378058 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 267107429.

The product of its (nonzero) digits is 1290240, while the sum is 48.

The spelling of 20834378058 in words is "twenty billion, eight hundred thirty-four million, three hundred seventy-eight thousand, fifty-eight".