2021210046 has 48 divisors (see below), whose sum is σ = 4519071648. Its totient is φ = 652473600.

The previous prime is 2021210039. The next prime is 2021210089. The reversal of 2021210046 is 6400121202.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 91111 + ... + 111101.

It is an arithmetic number, because the mean of its divisors is an integer number (94147326).

Almost surely, 2^2021210046 is an apocalyptic number.

2021210046 is an abundant number, since it is smaller than the sum of its proper divisors (2497861602).

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

2021210046 is a wasteful number, since it uses less digits than its factorization.

2021210046 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20177 (or 20174 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 2021210046 is about 44957.8696781776. The cubic root of 2021210046 is about 1264.3592282502.

Adding to 2021210046 its reverse (6400121202), we get a palindrome (8421331248).

The spelling of 2021210046 in words is "two billion, twenty-one million, two hundred ten thousand, forty-six".