20066455042 has 8 divisors (see below), whose sum is σ = 30105591696. Its totient is φ = 10031257812.

The previous prime is 20066455037. The next prime is 20066455061. The reversal of 20066455042 is 24055466002.

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

It is a junction number, because it is equal to n+sod(n) for n = 20066454989 and 20066455007.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 972088 + ... + 992515.

It is an arithmetic number, because the mean of its divisors is an integer number (3763198962).

Almost surely, 2^20066455042 is an apocalyptic number.

20066455042 is a deficient number, since it is larger than the sum of its proper divisors (10039136654).

20066455042 is a wasteful number, since it uses less digits than its factorization.

20066455042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1969712.

The product of its (nonzero) digits is 57600, while the sum is 34.

The spelling of 20066455042 in words is "twenty billion, sixty-six million, four hundred fifty-five thousand, forty-two".