2005901830 has 8 divisors (see below), whose sum is σ = 3610623312. Its totient is φ = 802360728.

The previous prime is 2005901819. The next prime is 2005901837. The reversal of 2005901830 is 381095002.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2005901837) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 100295082 + ... + 100295101.

It is an arithmetic number, because the mean of its divisors is an integer number (451327914).

Almost surely, 2^2005901830 is an apocalyptic number.

2005901830 is a deficient number, since it is larger than the sum of its proper divisors (1604721482).

2005901830 is a wasteful number, since it uses less digits than its factorization.

2005901830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200590190.

The product of its (nonzero) digits is 2160, while the sum is 28.

The square root of 2005901830 is about 44787.2954084080. The cubic root of 2005901830 is about 1261.1591395016.

Adding to 2005901830 its reverse (381095002), we get a palindrome (2386996832).

The spelling of 2005901830 in words is "two billion, five million, nine hundred one thousand, eight hundred thirty".