2042947100 has 18 divisors (see below), whose sum is σ = 4433195424. Its totient is φ = 817178800.

The previous prime is 2042947061. The next prime is 2042947129. The reversal of 2042947100 is 17492402.

It is a super-3 number, since 3×2042947100³ (a number of 29 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10214636 + ... + 10214835.

Almost surely, 2^2042947100 is an apocalyptic number.

2042947100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2042947100 is an abundant number, since it is smaller than the sum of its proper divisors (2390248324).

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

2042947100 is a wasteful number, since it uses less digits than its factorization.

2042947100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20429485 (or 20429478 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 29.

The square root of 2042947100 is about 45198.9723334502. The cubic root of 2042947100 is about 1268.8755831915.

The spelling of 2042947100 in words is "two billion, forty-two million, nine hundred forty-seven thousand, one hundred".