20452050 has 72 divisors (see below), whose sum is σ = 56174976. Its totient is φ = 5332320.

The previous prime is 20452049. The next prime is 20452051. The reversal of 20452050 is 5025402.

It is an interprime number because it is at equal distance from previous prime (20452049) and next prime (20452051).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (20452051) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 20667 + ... + 21633.

It is an arithmetic number, because the mean of its divisors is an integer number (780208).

Almost surely, 2^20452050 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20452050, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28087488).

20452050 is an abundant number, since it is smaller than the sum of its proper divisors (35722926).

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

20452050 is a wasteful number, since it uses less digits than its factorization.

20452050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1032 (or 1024 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 18.

The square root of 20452050 is about 4522.3942773712. The cubic root of 20452050 is about 273.4716317121.

Adding to 20452050 its reverse (5025402), we get a palindrome (25477452).

It can be divided in two parts, 2045 and 2050, that added together give a triangular number (4095 = T₉₀).

The spelling of 20452050 in words is "twenty million, four hundred fifty-two thousand, fifty".