20343253467 has 8 divisors (see below), whose sum is σ = 27125844480. Its totient is φ = 13561415720.

The previous prime is 20343253429. The next prime is 20343253481. The reversal of 20343253467 is 76435234302.

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 20343253467 - 2⁷ = 20343253339 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20343253367) 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, 121959 + ... + 235712.

It is an arithmetic number, because the mean of its divisors is an integer number (3390730560).

Almost surely, 2^20343253467 is an apocalyptic number.

20343253467 is a deficient number, since it is larger than the sum of its proper divisors (6782591013).

20343253467 is a wasteful number, since it uses less digits than its factorization.

20343253467 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 376633.

The product of its (nonzero) digits is 362880, while the sum is 39.

Adding to 20343253467 its reverse (76435234302), we get a palindrome (96778487769).

The spelling of 20343253467 in words is "twenty billion, three hundred forty-three million, two hundred fifty-three thousand, four hundred sixty-seven".