1240310204220 has 48 divisors (see below), whose sum is σ = 3472945717248. Its totient is φ = 330742040640.

The previous prime is 1240310204219. The next prime is 1240310204257. The reversal of 1240310204220 is 224020130421.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2831157 + ... + 3239763.

It is an arithmetic number, because the mean of its divisors is an integer number (72353035776).

Almost surely, 2^{1240310204220} is an apocalyptic number.

1240310204220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1240310204220 is an abundant number, since it is smaller than the sum of its proper divisors (2232635513028).

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

1240310204220 is a wasteful number, since it uses less digits than its factorization.

1240310204220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 459210 (or 459208 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 1240310204220 its reverse (224020130421), we get a palindrome (1464330334641).

The spelling of 1240310204220 in words is "one trillion, two hundred forty billion, three hundred ten million, two hundred four thousand, two hundred twenty".