202066542670 has 64 divisors (see below), whose sum is σ = 386248605696. Its totient is φ = 75977274240.

The previous prime is 202066542661. The next prime is 202066542673. The reversal of 202066542670 is 76245660202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202066542673) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6947779 + ... + 6976801.

It is an arithmetic number, because the mean of its divisors is an integer number (6035134464).

Almost surely, 2^202066542670 is an apocalyptic number.

202066542670 is a deficient number, since it is larger than the sum of its proper divisors (184182063026).

202066542670 is a wasteful number, since it uses less digits than its factorization.

202066542670 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29705.

The product of its (nonzero) digits is 241920, while the sum is 40.

The spelling of 202066542670 in words is "two hundred two billion, sixty-six million, five hundred forty-two thousand, six hundred seventy".