3140220021 has 16 divisors (see below), whose sum is σ = 4392351360. Its totient is φ = 1992818240.

The previous prime is 3140219981. The next prime is 3140220023. The reversal of 3140220021 is 1200220413.

It is a cyclic number.

It is not a de Polignac number, because 3140220021 - 2¹¹ = 3140217973 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3140220023) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 248010 + ... + 260363.

It is an arithmetic number, because the mean of its divisors is an integer number (274521960).

Almost surely, 2^3140220021 is an apocalyptic number.

It is an amenable number.

3140220021 is a deficient number, since it is larger than the sum of its proper divisors (1252131339).

3140220021 is a wasteful number, since it uses less digits than its factorization.

3140220021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 508476.

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

The square root of 3140220021 is about 56037.6660916566. Note that the first 3 decimals coincide. The cubic root of 3140220021 is about 1464.3785520937.

Adding to 3140220021 its reverse (1200220413), we get a palindrome (4340440434).

The spelling of 3140220021 in words is "three billion, one hundred forty million, two hundred twenty thousand, twenty-one".