2140203021 has 8 divisors (see below), whose sum is σ = 3113022624. Its totient is φ = 1297092720.

The previous prime is 2140203007. The next prime is 2140203031. The reversal of 2140203021 is 1203020412.

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

It is not a de Polignac number, because 2140203021 - 2¹³ = 2140194829 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2140203001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32427286 + ... + 32427351.

It is an arithmetic number, because the mean of its divisors is an integer number (389127828).

Almost surely, 2^2140203021 is an apocalyptic number.

It is an amenable number.

2140203021 is a deficient number, since it is larger than the sum of its proper divisors (972819603).

2140203021 is a wasteful number, since it uses less digits than its factorization.

2140203021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64854651.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 2140203021 is about 46262.3283136506. The cubic root of 2140203021 is about 1288.6994927779.

Adding to 2140203021 its reverse (1203020412), we get a palindrome (3343223433).

The spelling of 2140203021 in words is "two billion, one hundred forty million, two hundred three thousand, twenty-one".