20202523132667 has 8 divisors (see below), whose sum is σ = 21265914009360. Its totient is φ = 19139142274560.

The previous prime is 20202523132663. The next prime is 20202523132711. The reversal of 20202523132667 is 76623132520202.

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

It is a cyclic number.

It is not a de Polignac number, because 20202523132667 - 2² = 20202523132663 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20202523132661) 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, 1826567 + ... + 6613727.

It is an arithmetic number, because the mean of its divisors is an integer number (2658239251170).

Almost surely, 2^{20202523132667} is an apocalyptic number.

20202523132667 is a deficient number, since it is larger than the sum of its proper divisors (1063390876693).

20202523132667 is a wasteful number, since it uses less digits than its factorization.

20202523132667 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5009293.

The product of its (nonzero) digits is 362880, while the sum is 41.

Adding to 20202523132667 its reverse (76623132520202), we get a palindrome (96825655652869).

The spelling of 20202523132667 in words is "twenty trillion, two hundred two billion, five hundred twenty-three million, one hundred thirty-two thousand, six hundred sixty-seven".