20214222707 has 4 divisors (see below), whose sum is σ = 23101968816. Its totient is φ = 17326476600.

The previous prime is 20214222703. The next prime is 20214222713. The reversal of 20214222707 is 70722241202.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 70722241202 = 2 ⋅35361120601.

It is a cyclic number.

It is not a de Polignac number, because 20214222707 - 2² = 20214222703 is a prime.

It is a super-2 number, since 2×20214222707² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20214222707.

It is not an unprimeable number, because it can be changed into a prime (20214222703) 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, 1443873044 + ... + 1443873057.

It is an arithmetic number, because the mean of its divisors is an integer number (5775492204).

Almost surely, 2^20214222707 is an apocalyptic number.

20214222707 is a deficient number, since it is larger than the sum of its proper divisors (2887746109).

20214222707 is an equidigital number, since it uses as much as digits as its factorization.

20214222707 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2887746108.

The product of its (nonzero) digits is 6272, while the sum is 29.

Adding to 20214222707 its reverse (70722241202), we get a palindrome (90936463909).

The spelling of 20214222707 in words is "twenty billion, two hundred fourteen million, two hundred twenty-two thousand, seven hundred seven".