2541772020 has 24 divisors (see below), whose sum is σ = 7116961824. Its totient is φ = 677805856.

The previous prime is 2541772007. The next prime is 2541772027. The reversal of 2541772020 is 202771452.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2541772027) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21181374 + ... + 21181493.

It is an arithmetic number, because the mean of its divisors is an integer number (296540076).

Almost surely, 2^2541772020 is an apocalyptic number.

2541772020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2541772020 is an abundant number, since it is smaller than the sum of its proper divisors (4575189804).

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

2541772020 is a wasteful number, since it uses less digits than its factorization.

2541772020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42362879 (or 42362877 counting only the distinct ones).

The product of its (nonzero) digits is 7840, while the sum is 30.

The square root of 2541772020 is about 50415.9897254829. The cubic root of 2541772020 is about 1364.7262073465.

The spelling of 2541772020 in words is "two billion, five hundred forty-one million, seven hundred seventy-two thousand, twenty".