20467466687 has 8 divisors (see below), whose sum is σ = 20609390592. Its totient is φ = 20325627000.

The previous prime is 20467466681. The next prime is 20467466689. The reversal of 20467466687 is 78666476402.

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 20467466687 - 2¹⁰ = 20467465663 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20467466681) 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, 513362 + ... + 551792.

It is an arithmetic number, because the mean of its divisors is an integer number (2576173824).

Almost surely, 2^20467466687 is an apocalyptic number.

20467466687 is a deficient number, since it is larger than the sum of its proper divisors (141923905).

20467466687 is a wasteful number, since it uses less digits than its factorization.

20467466687 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42109.

The product of its (nonzero) digits is 16257024, while the sum is 56.

The spelling of 20467466687 in words is "twenty billion, four hundred sixty-seven million, four hundred sixty-six thousand, six hundred eighty-seven".