2140220412 has 54 divisors (see below), whose sum is σ = 5946542784. Its totient is φ = 648550320.

The previous prime is 2140220399. The next prime is 2140220413.

2140220412 is nontrivially palindromic in base 10.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2140220413) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 241308 + ... + 250019.

Almost surely, 2^2140220412 is an apocalyptic number.

2140220412 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2140220412 is an abundant number, since it is smaller than the sum of its proper divisors (3806322372).

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

2140220412 is a wasteful number, since it uses less digits than its factorization.

2140220412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 491359 (or 491343 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

The square root of 2140220412 is about 46262.5162739771. The cubic root of 2140220412 is about 1288.7029833676.

It can be divided in two parts, 21402 and 20412, that added together give a palindrome (41814).

The spelling of 2140220412 in words is "two billion, one hundred forty million, two hundred twenty thousand, four hundred twelve".