20146446116 has 12 divisors (see below), whose sum is σ = 35290417932. Its totient is φ = 10063469568.

The previous prime is 20146446077. The next prime is 20146446163. The reversal of 20146446116 is 61164464102.

It can be written as a sum of positive squares in 2 ways, for example, as 18966798400 + 1179647716 = 137720^2 + 34346^2 .

It is a super-2 number, since 2×20146446116² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2433725 + ... + 2441988.

It is an arithmetic number, because the mean of its divisors is an integer number (2940868161).

Almost surely, 2^20146446116 is an apocalyptic number.

It is an amenable number.

20146446116 is a deficient number, since it is larger than the sum of its proper divisors (15143971816).

20146446116 is a wasteful number, since it uses less digits than its factorization.

20146446116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4876750 (or 4876748 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 35.

The spelling of 20146446116 in words is "twenty billion, one hundred forty-six million, four hundred forty-six thousand, one hundred sixteen".