2000013040 has 20 divisors (see below), whose sum is σ = 4650030504. Its totient is φ = 800005184.

The previous prime is 2000013031. The next prime is 2000013079. The reversal of 2000013040 is 403100002.

It is a tau number, because it is divible by the number of its divisors (20).

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a congruent number.

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, 12500002 + ... + 12500161.

Almost surely, 2^2000013040 is an apocalyptic number.

2000013040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2000013040 is an abundant number, since it is smaller than the sum of its proper divisors (2650017464).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2000013040 is a wasteful number, since it uses less digits than its factorization.

2000013040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25000176 (or 25000170 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 10.

The square root of 2000013040 is about 44721.5053413903. The cubic root of 2000013040 is about 1259.9237881173.

Adding to 2000013040 its reverse (403100002), we get a palindrome (2403113042).

The spelling of 2000013040 in words is "two billion, thirteen thousand, forty".