20214505043 has 4 divisors (see below), whose sum is σ = 20236502160. Its totient is φ = 20192507928.

The previous prime is 20214505021. The next prime is 20214505049. The reversal of 20214505043 is 34050541202.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 34050541202 = 2 ⋅17025270601.

It is a cyclic number.

It is not a de Polignac number, because 20214505043 - 2¹⁴ = 20214488659 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20214505049) 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, 10997180 + ... + 10999017.

It is an arithmetic number, because the mean of its divisors is an integer number (5059125540).

Almost surely, 2^20214505043 is an apocalyptic number.

20214505043 is a deficient number, since it is larger than the sum of its proper divisors (21997117).

20214505043 is an equidigital number, since it uses as much as digits as its factorization.

20214505043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21997116.

The product of its (nonzero) digits is 4800, while the sum is 26.

The spelling of 20214505043 in words is "twenty billion, two hundred fourteen million, five hundred five thousand, forty-three".