20430121174 has 8 divisors (see below), whose sum is σ = 31977581040. Its totient is φ = 9770927496.

The previous prime is 20430121109. The next prime is 20430121183. The reversal of 20430121174 is 47112103402.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 222066489 + ... + 222066580.

It is an arithmetic number, because the mean of its divisors is an integer number (3997197630).

Almost surely, 2^20430121174 is an apocalyptic number.

20430121174 is a deficient number, since it is larger than the sum of its proper divisors (11547459866).

20430121174 is a wasteful number, since it uses less digits than its factorization.

20430121174 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 444133094.

The product of its (nonzero) digits is 1344, while the sum is 25.

Adding to 20430121174 its reverse (47112103402), we get a palindrome (67542224576).

The spelling of 20430121174 in words is "twenty billion, four hundred thirty million, one hundred twenty-one thousand, one hundred seventy-four".