20094258478 has 8 divisors (see below), whose sum is σ = 34447300272. Its totient is φ = 8611825056.

The previous prime is 20094258473. The next prime is 20094258493. The reversal of 20094258478 is 87485249002.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20094258473) 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, 717652075 + ... + 717652102.

It is an arithmetic number, because the mean of its divisors is an integer number (4305912534).

Almost surely, 2^20094258478 is an apocalyptic number.

20094258478 is a deficient number, since it is larger than the sum of its proper divisors (14353041794).

20094258478 is a wasteful number, since it uses less digits than its factorization.

20094258478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1435304186.

The product of its (nonzero) digits is 1290240, while the sum is 49.

The spelling of 20094258478 in words is "twenty billion, ninety-four million, two hundred fifty-eight thousand, four hundred seventy-eight".