19820939529358 has 48 divisors (see below), whose sum is σ = 34632091514160. Its totient is φ = 8472253180160.

The previous prime is 19820939529343. The next prime is 19820939529367. The reversal of 19820939529358 is 85392593902891.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2713248 + ... + 6855916.

It is an arithmetic number, because the mean of its divisors is an integer number (721501906545).

Almost surely, 2^{19820939529358} is an apocalyptic number.

19820939529358 is a deficient number, since it is larger than the sum of its proper divisors (14811151984802).

19820939529358 is a wasteful number, since it uses less digits than its factorization.

19820939529358 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4143873 (or 4143862 counting only the distinct ones).

The product of its (nonzero) digits is 377913600, while the sum is 73.

The spelling of 19820939529358 in words is "nineteen trillion, eight hundred twenty billion, nine hundred thirty-nine million, five hundred twenty-nine thousand, three hundred fifty-eight".