20420023299994 has 32 divisors (see below), whose sum is σ = 31153554432000. Its totient is φ = 10036971807984.

The previous prime is 20420023299989. The next prime is 20420023300049. The reversal of 20420023299994 is 49999232002402.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 277111647 + ... + 277185325.

It is an arithmetic number, because the mean of its divisors is an integer number (973548576000).

Almost surely, 2^{20420023299994} is an apocalyptic number.

20420023299994 is a deficient number, since it is larger than the sum of its proper divisors (10733531132006).

20420023299994 is a wasteful number, since it uses less digits than its factorization.

20420023299994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83602.

The product of its (nonzero) digits is 5038848, while the sum is 55.

The spelling of 20420023299994 in words is "twenty trillion, four hundred twenty billion, twenty-three million, two hundred ninety-nine thousand, nine hundred ninety-four".