20949297793058 has 8 divisors (see below), whose sum is σ = 31424004197328. Its totient is φ = 10474629727284.

The previous prime is 20949297793051. The next prime is 20949297793069. The reversal of 20949297793058 is 85039779294902.

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

It is a super-3 number, since 3×20949297793058³ (a number of 41 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (20949297793051) 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 3 ways as a sum of consecutive naturals, for example, 8177216 + ... + 10429067.

It is an arithmetic number, because the mean of its divisors is an integer number (3928000524666).

Almost surely, 2^{20949297793058} is an apocalyptic number.

20949297793058 is a deficient number, since it is larger than the sum of its proper divisors (10474706404270).

20949297793058 is a wasteful number, since it uses less digits than its factorization.

20949297793058 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19169248.

The product of its (nonzero) digits is 617258880, while the sum is 74.

The spelling of 20949297793058 in words is "twenty trillion, nine hundred forty-nine billion, two hundred ninety-seven million, seven hundred ninety-three thousand, fifty-eight".