20122312354 has 8 divisors (see below), whose sum is σ = 30184163100. Its totient is φ = 10060924656.

The previous prime is 20122312337. The next prime is 20122312369. The reversal of 20122312354 is 45321322102.

It can be written as a sum of positive squares in 2 ways, for example, as 17482921729 + 2639390625 = 132223^2 + 51375^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29172 + ... + 202720.

Almost surely, 2^20122312354 is an apocalyptic number.

20122312354 is a deficient number, since it is larger than the sum of its proper divisors (10061850746).

20122312354 is a wasteful number, since it uses less digits than its factorization.

20122312354 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 231524.

The product of its (nonzero) digits is 2880, while the sum is 25.

Adding to 20122312354 its reverse (45321322102), we get a palindrome (65443634456).

The spelling of 20122312354 in words is "twenty billion, one hundred twenty-two million, three hundred twelve thousand, three hundred fifty-four".