20570066162142 has 16 divisors (see below), whose sum is σ = 47017294084992. Its totient is φ = 5877161760600.

The previous prime is 20570066162141. The next prime is 20570066162159. The reversal of 20570066162142 is 24126166007502.

It is a Harshad number since it is a multiple of its sum of digits (42), and also a Moran number because the ratio is a prime number: 489763480051 = 20570066162142 / (2 + 0 + 5 + 7 + 0 + 0 + 6 + 6 + 1 + 6 + 2 + 1 + 4 + 2).

It is a junction number, because it is equal to n+sod(n) for n = 20570066162094 and 20570066162103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20570066162141) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 244881739984 + ... + 244881740067.

It is an arithmetic number, because the mean of its divisors is an integer number (2938580880312).

Almost surely, 2^{20570066162142} is an apocalyptic number.

20570066162142 is an abundant number, since it is smaller than the sum of its proper divisors (26447227922850).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20570066162142 is a wasteful number, since it uses less digits than its factorization.

20570066162142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 489763480063.

The product of its (nonzero) digits is 241920, while the sum is 42.

The spelling of 20570066162142 in words is "twenty trillion, five hundred seventy billion, sixty-six million, one hundred sixty-two thousand, one hundred forty-two".