20419256014 has 4 divisors (see below), whose sum is σ = 30628884024. Its totient is φ = 10209628006.

The previous prime is 20419256009. The next prime is 20419256029. The reversal of 20419256014 is 41065291402.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5104814002 + ... + 5104814005.

It is an arithmetic number, because the mean of its divisors is an integer number (7657221006).

Almost surely, 2^20419256014 is an apocalyptic number.

20419256014 is a deficient number, since it is larger than the sum of its proper divisors (10209628010).

20419256014 is a wasteful number, since it uses less digits than its factorization.

20419256014 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10209628009.

The product of its (nonzero) digits is 17280, while the sum is 34.

The spelling of 20419256014 in words is "twenty billion, four hundred nineteen million, two hundred fifty-six thousand, fourteen".