20022477140042 has 16 divisors (see below), whose sum is σ = 34046317404960. Its totient is φ = 8754767332272.

The previous prime is 20022477139913. The next prime is 20022477140047. The reversal of 20022477140042 is 24004177422002.

It is a junction number, because it is equal to n+sod(n) for n = 20022477139984 and 20022477140011.

It is not an unprimeable number, because it can be changed into a prime (20022477140047) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 20265664628 + ... + 20265665615.

It is an arithmetic number, because the mean of its divisors is an integer number (2127894837810).

Almost surely, 2^{20022477140042} is an apocalyptic number.

20022477140042 is a deficient number, since it is larger than the sum of its proper divisors (14023840264918).

20022477140042 is a wasteful number, since it uses less digits than its factorization.

20022477140042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40531330277.

The product of its (nonzero) digits is 50176, while the sum is 35.

The spelling of 20022477140042 in words is "twenty trillion, twenty-two billion, four hundred seventy-seven million, one hundred forty thousand, forty-two".