20074518903 has 8 divisors (see below), whose sum is σ = 26787915648. Its totient is φ = 13372067384.

The previous prime is 20074518869. The next prime is 20074518907. The reversal of 20074518903 is 30981547002.

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

It is a cyclic number.

It is not a de Polignac number, because 20074518903 - 2⁶ = 20074518839 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20074518907) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2732025 + ... + 2739362.

It is an arithmetic number, because the mean of its divisors is an integer number (3348489456).

Almost surely, 2^20074518903 is an apocalyptic number.

20074518903 is a deficient number, since it is larger than the sum of its proper divisors (6713396745).

20074518903 is a wasteful number, since it uses less digits than its factorization.

20074518903 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5472613.

The product of its (nonzero) digits is 60480, while the sum is 39.

The spelling of 20074518903 in words is "twenty billion, seventy-four million, five hundred eighteen thousand, nine hundred three".