20154312302 has 8 divisors (see below), whose sum is σ = 30245795712. Its totient is φ = 10072380400.

The previous prime is 20154312287. The next prime is 20154312319. The reversal of 20154312302 is 20321345102.

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 pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2382599 + ... + 2391042.

It is an arithmetic number, because the mean of its divisors is an integer number (3780724464).

Almost surely, 2^20154312302 is an apocalyptic number.

20154312302 is a deficient number, since it is larger than the sum of its proper divisors (10091483410).

20154312302 is a wasteful number, since it uses less digits than its factorization.

20154312302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4775754.

The product of its (nonzero) digits is 1440, while the sum is 23.

Adding to 20154312302 its reverse (20321345102), we get a palindrome (40475657404).

The spelling of 20154312302 in words is "twenty billion, one hundred fifty-four million, three hundred twelve thousand, three hundred two".