20411516122 has 4 divisors (see below), whose sum is σ = 30617274186. Its totient is φ = 10205758060.

The previous prime is 20411516101. The next prime is 20411516171. The reversal of 20411516122 is 22161511402.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 17161262001 + 3250254121 = 131001^2 + 57011^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5102879029 + ... + 5102879032.

Almost surely, 2^20411516122 is an apocalyptic number.

20411516122 is a deficient number, since it is larger than the sum of its proper divisors (10205758064).

20411516122 is a wasteful number, since it uses less digits than its factorization.

20411516122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10205758063.

The product of its (nonzero) digits is 960, while the sum is 25.

The spelling of 20411516122 in words is "twenty billion, four hundred eleven million, five hundred sixteen thousand, one hundred twenty-two".