2105020946 has 24 divisors (see below), whose sum is σ = 3708806976. Its totient is φ = 877761360.

The previous prime is 2105020943. The next prime is 2105020949. The reversal of 2105020946 is 6490205012.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2105020943) and next prime (2105020949).

It is a super-2 number, since 2×2105020946² = 8862226366197469832, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2105020943) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 35750 + ... + 74081.

It is an arithmetic number, because the mean of its divisors is an integer number (154533624).

Almost surely, 2^2105020946 is an apocalyptic number.

2105020946 is a deficient number, since it is larger than the sum of its proper divisors (1603786030).

2105020946 is a wasteful number, since it uses less digits than its factorization.

2105020946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109914 (or 109877 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 2105020946 is about 45880.5072552604. The cubic root of 2105020946 is about 1281.5989429721.

Adding to 2105020946 its reverse (6490205012), we get a palindrome (8595225958).

The spelling of 2105020946 in words is "two billion, one hundred five million, twenty thousand, nine hundred forty-six".