20200001146 has 24 divisors (see below), whose sum is σ = 32818734684. Its totient is φ = 9320613120.

The previous prime is 20200001131. The next prime is 20200001177. The reversal of 20200001146 is 64110000202.

It can be written as a sum of positive squares in 6 ways, for example, as 8026188921 + 12173812225 = 89589^2 + 110335^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2116866 + ... + 2126386.

Almost surely, 2^20200001146 is an apocalyptic number.

20200001146 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

20200001146 is a deficient number, since it is larger than the sum of its proper divisors (12618733538).

20200001146 is a wasteful number, since it uses less digits than its factorization.

20200001146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15826 (or 15813 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 20200001146 its reverse (64110000202), we get a palindrome (84310001348).

The spelling of 20200001146 in words is "twenty billion, two hundred million, one thousand, one hundred forty-six".