20102821279058 has 64 divisors (see below), whose sum is σ = 35579696815872. Its totient is φ = 8339677194240.

The previous prime is 20102821279033. The next prime is 20102821279111. The reversal of 20102821279058 is 85097212820102.

It is a happy number.

It is a Curzon number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 971468960 + ... + 971489652.

It is an arithmetic number, because the mean of its divisors is an integer number (555932762748).

Almost surely, 2^{20102821279058} is an apocalyptic number.

20102821279058 is a deficient number, since it is larger than the sum of its proper divisors (15476875536814).

20102821279058 is a wasteful number, since it uses less digits than its factorization.

20102821279058 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35139.

The product of its (nonzero) digits is 322560, while the sum is 47.

The spelling of 20102821279058 in words is "twenty trillion, one hundred two billion, eight hundred twenty-one million, two hundred seventy-nine thousand, fifty-eight".