2025511920 has 360 divisors, whose sum is σ = 7512068304. Its totient is φ = 506124288.

The previous prime is 2025511909. The next prime is 2025511921. The reversal of 2025511920 is 291155202.

2025511920 is a `hidden beast` number, since 20 + 2 + 551 + 1 + 92 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (360).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2025511921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 8922847 + ... + 8923073.

Almost surely, 2^2025511920 is an apocalyptic number.

2025511920 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2025511920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3756034152).

2025511920 is an abundant number, since it is smaller than the sum of its proper divisors (5486556384).

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

2025511920 is an equidigital number, since it uses as much as digits as its factorization.

2025511920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 281 (or 254 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 27.

The square root of 2025511920 is about 45005.6876405638. The cubic root of 2025511920 is about 1265.2555988591.

The spelling of 2025511920 in words is "two billion, twenty-five million, five hundred eleven thousand, nine hundred twenty".