20154314494 has 8 divisors (see below), whose sum is σ = 30874694688. Its totient is φ = 9862749600.

The previous prime is 20154314483. The next prime is 20154314533. The reversal of 20154314494 is 49441345102.

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, 107203707 + ... + 107203894.

It is an arithmetic number, because the mean of its divisors is an integer number (3859336836).

Almost surely, 2^20154314494 is an apocalyptic number.

20154314494 is a deficient number, since it is larger than the sum of its proper divisors (10720380194).

20154314494 is a wasteful number, since it uses less digits than its factorization.

20154314494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 214407650.

The product of its (nonzero) digits is 69120, while the sum is 37.

Adding to 20154314494 its reverse (49441345102), we get a palindrome (69595659596).

The spelling of 20154314494 in words is "twenty billion, one hundred fifty-four million, three hundred fourteen thousand, four hundred ninety-four".