20214212243 has 8 divisors (see below), whose sum is σ = 20702335968. Its totient is φ = 19730041344.

The previous prime is 20214212209. The next prime is 20214212251. The reversal of 20214212243 is 34221241202.

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 20214212243 - 2²² = 20210017939 is a prime.

It is a super-2 number, since 2×20214212243² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20214212273) 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, 977855 + ... + 998312.

It is an arithmetic number, because the mean of its divisors is an integer number (2587791996).

Almost surely, 2^20214212243 is an apocalyptic number.

20214212243 is a deficient number, since it is larger than the sum of its proper divisors (488123725).

20214212243 is a wasteful number, since it uses less digits than its factorization.

20214212243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1976413.

The product of its (nonzero) digits is 1536, while the sum is 23.

Adding to 20214212243 its reverse (34221241202), we get a palindrome (54435453445).

The spelling of 20214212243 in words is "twenty billion, two hundred fourteen million, two hundred twelve thousand, two hundred forty-three".