20066453155 has 16 divisors (see below), whose sum is σ = 28716217344. Its totient is φ = 13161598560.

The previous prime is 20066453153. The next prime is 20066453159. The reversal of 20066453155 is 55135466002.

It is not a de Polignac number, because 20066453155 - 2¹ = 20066453153 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20066453153) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12462831 + ... + 12464440.

It is an arithmetic number, because the mean of its divisors is an integer number (1794763584).

Almost surely, 2^20066453155 is an apocalyptic number.

20066453155 is a deficient number, since it is larger than the sum of its proper divisors (8649764189).

20066453155 is a wasteful number, since it uses less digits than its factorization.

20066453155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24927306.

The product of its (nonzero) digits is 108000, while the sum is 37.

The spelling of 20066453155 in words is "twenty billion, sixty-six million, four hundred fifty-three thousand, one hundred fifty-five".