20602350 has 60 divisors (see below), whose sum is σ = 57255264. Its totient is φ = 5492880.

The previous prime is 20602339. The next prime is 20602357. The reversal of 20602350 is 5320602.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20602357) by changing a digit.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 1507 + ... + 6593.

Almost surely, 2^20602350 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20602350, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28627632).

20602350 is an abundant number, since it is smaller than the sum of its proper divisors (36652914).

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

20602350 is a wasteful number, since it uses less digits than its factorization.

20602350 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5111 (or 5097 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

The square root of 20602350 is about 4538.9811632127. The cubic root of 20602350 is about 274.1399022704.

Adding to 20602350 its reverse (5320602), we get a palindrome (25922952).

The spelling of 20602350 in words is "twenty million, six hundred two thousand, three hundred fifty".