20344146430 has 8 divisors (see below), whose sum is σ = 36619463592. Its totient is φ = 8137658568.

The previous prime is 20344146377. The next prime is 20344146437. The reversal of 20344146430 is 3464144302.

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

It is a junction number, because it is equal to n+sod(n) for n = 20344146392 and 20344146401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20344146437) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1017207312 + ... + 1017207331.

It is an arithmetic number, because the mean of its divisors is an integer number (4577432949).

Almost surely, 2^20344146430 is an apocalyptic number.

20344146430 is a deficient number, since it is larger than the sum of its proper divisors (16275317162).

20344146430 is a wasteful number, since it uses less digits than its factorization.

20344146430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2034414650.

The product of its (nonzero) digits is 27648, while the sum is 31.

The spelling of 20344146430 in words is "twenty billion, three hundred forty-four million, one hundred forty-six thousand, four hundred thirty".