20122030311 has 8 divisors (see below), whose sum is σ = 26833213440. Its totient is φ = 13412767032.

The previous prime is 20122030301. The next prime is 20122030321. The reversal of 20122030311 is 11303022102.

It is an interprime number because it is at equal distance from previous prime (20122030301) and next prime (20122030321).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 20122030311 - 2³¹ = 17974546663 is a prime.

It is a super-2 number, since 2×20122030311² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20122030301) 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, 455325 + ... + 497558.

It is an arithmetic number, because the mean of its divisors is an integer number (3354151680).

Almost surely, 2^20122030311 is an apocalyptic number.

20122030311 is a deficient number, since it is larger than the sum of its proper divisors (6711183129).

20122030311 is an equidigital number, since it uses as much as digits as its factorization.

20122030311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 959925.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 20122030311 its reverse (11303022102), we get a palindrome (31425052413).

The spelling of 20122030311 in words is "twenty billion, one hundred twenty-two million, thirty thousand, three hundred eleven".