2020978725 has 12 divisors (see below), whose sum is σ = 3341351616. Its totient is φ = 1077855280.

The previous prime is 2020978721. The next prime is 2020978733. The reversal of 2020978725 is 5278790202.

It is a happy number.

It is not a de Polignac number, because 2020978725 - 2² = 2020978721 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2020978721) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13473117 + ... + 13473266.

It is an arithmetic number, because the mean of its divisors is an integer number (278445968).

Almost surely, 2^2020978725 is an apocalyptic number.

2020978725 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2020978725 is a deficient number, since it is larger than the sum of its proper divisors (1320372891).

2020978725 is a wasteful number, since it uses less digits than its factorization.

2020978725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26946396 (or 26946391 counting only the distinct ones).

The product of its (nonzero) digits is 141120, while the sum is 42.

The square root of 2020978725 is about 44955.2969626495. The cubic root of 2020978725 is about 1264.3109924587.

The spelling of 2020978725 in words is "two billion, twenty million, nine hundred seventy-eight thousand, seven hundred twenty-five".