2140605020 has 12 divisors (see below), whose sum is σ = 4495270584. Its totient is φ = 856242000.

The previous prime is 2140605017. The next prime is 2140605023. The reversal of 2140605020 is 205060412.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2140605017) and next prime (2140605023).

It is a Harshad number since it is a multiple of its sum of digits (20), and also a Moran number because the ratio is a prime number: 107030251 = 2140605020 / (2 + 1 + 4 + 0 + 6 + 0 + 5 + 0 + 2 + 0).

It is a junction number, because it is equal to n+sod(n) for n = 2140604983 and 2140605001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2140605023) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53515106 + ... + 53515145.

It is an arithmetic number, because the mean of its divisors is an integer number (374605882).

Almost surely, 2^2140605020 is an apocalyptic number.

2140605020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2140605020 is an abundant number, since it is smaller than the sum of its proper divisors (2354665564).

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

2140605020 is a wasteful number, since it uses less digits than its factorization.

2140605020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107030260 (or 107030258 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 2140605020 is about 46266.6728866470. The cubic root of 2140605020 is about 1288.7801741384.

Adding to 2140605020 its reverse (205060412), we get a palindrome (2345665432).

The spelling of 2140605020 in words is "two billion, one hundred forty million, six hundred five thousand, twenty".