20402227967 has 8 divisors (see below), whose sum is σ = 22258174032. Its totient is φ = 18546481600.

The previous prime is 20402227961. The next prime is 20402227991. The reversal of 20402227967 is 76972220402.

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 20402227967 - 2⁶ = 20402227903 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 (20402227961) 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, 233867 + ... + 309027.

It is an arithmetic number, because the mean of its divisors is an integer number (2782271754).

Almost surely, 2^20402227967 is an apocalyptic number.

20402227967 is a deficient number, since it is larger than the sum of its proper divisors (1855946065).

20402227967 is a wasteful number, since it uses less digits than its factorization.

20402227967 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99849.

The product of its (nonzero) digits is 169344, while the sum is 41.

The spelling of 20402227967 in words is "twenty billion, four hundred two million, two hundred twenty-seven thousand, nine hundred sixty-seven".