20225832 has 64 divisors (see below), whose sum is σ = 57576960. Its totient is φ = 5860800.

The previous prime is 20225819. The next prime is 20225837. The reversal of 20225832 is 23852202.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (20225837) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4407 + ... + 7737.

It is an arithmetic number, because the mean of its divisors is an integer number (899640).

Almost surely, 2^20225832 is an apocalyptic number.

20225832 is a gapful number since it is divisible by the number (22) 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 20225832, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28788480).

20225832 is an abundant number, since it is smaller than the sum of its proper divisors (37351128).

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

20225832 is a wasteful number, since it uses less digits than its factorization.

20225832 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3374 (or 3370 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 20225832 is about 4497.3138649643. The cubic root of 20225832 is about 272.4596107690.

The spelling of 20225832 in words is "twenty million, two hundred twenty-five thousand, eight hundred thirty-two".