2040215331 has 64 divisors (see below), whose sum is σ = 3448811520. Its totient is φ = 1042124160.

The previous prime is 2040215311. The next prime is 2040215347. The reversal of 2040215331 is 1335120402.

It is not a de Polignac number, because 2040215331 - 2⁹ = 2040214819 is a prime.

It is a super-2 number, since 2×2040215331² = 8324957193694879122, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 2040215298 and 2040215307.

It is not an unprimeable number, because it can be changed into a prime (2040215311) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 4869040 + ... + 4869458.

It is an arithmetic number, because the mean of its divisors is an integer number (53887680).

Almost surely, 2^2040215331 is an apocalyptic number.

2040215331 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

2040215331 is a deficient number, since it is larger than the sum of its proper divisors (1408596189).

2040215331 is a wasteful number, since it uses less digits than its factorization.

2040215331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 744.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 2040215331 is about 45168.7428538807. The cubic root of 2040215331 is about 1268.3097631673.

Adding to 2040215331 its reverse (1335120402), we get a palindrome (3375335733).

The spelling of 2040215331 in words is "two billion, forty million, two hundred fifteen thousand, three hundred thirty-one".