20410030 has 32 divisors (see below), whose sum is σ = 39152160. Its totient is φ = 7633920.

The previous prime is 20410007. The next prime is 20410031. The reversal of 20410030 is 3001402.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a junction number, because it is equal to n+sod(n) for n = 20409989 and 20410016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20410031) 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, 35586 + ... + 36154.

It is an arithmetic number, because the mean of its divisors is an integer number (1223505).

Almost surely, 2^20410030 is an apocalyptic number.

20410030 is a deficient number, since it is larger than the sum of its proper divisors (18742130).

20410030 is a wasteful number, since it uses less digits than its factorization.

20410030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 804.

The product of its (nonzero) digits is 24, while the sum is 10.

The square root of 20410030 is about 4517.7461194715. The cubic root of 20410030 is about 273.2842151808.

Adding to 20410030 its reverse (3001402), we get a palindrome (23411432).

The spelling of 20410030 in words is "twenty million, four hundred ten thousand, thirty".