20214122213 has 8 divisors (see below), whose sum is σ = 20913233400. Its totient is φ = 19515149248.

The previous prime is 20214122191. The next prime is 20214122231. The reversal of 20214122213 is 31222141202.

It can be written as a sum of positive squares in 4 ways, for example, as 14642694049 + 5571428164 = 121007^2 + 74642^2 .

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 20214122213 - 2¹⁴ = 20214105829 is a prime.

It is a super-2 number, since 2×20214122213² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20214122113) 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, 327395 + ... + 384207.

It is an arithmetic number, because the mean of its divisors is an integer number (2614154175).

Almost surely, 2^20214122213 is an apocalyptic number.

It is an amenable number.

20214122213 is a deficient number, since it is larger than the sum of its proper divisors (699111187).

20214122213 is a wasteful number, since it uses less digits than its factorization.

20214122213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69111.

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 20214122213 its reverse (31222141202), we get a palindrome (51436263415).

The spelling of 20214122213 in words is "twenty billion, two hundred fourteen million, one hundred twenty-two thousand, two hundred thirteen".