20411010 has 24 divisors (see below), whose sum is σ = 53068860. Its totient is φ = 5442912.

The previous prime is 20411003. The next prime is 20411011. The reversal of 20411010 is 1011402.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 19740249 + 670761 = 4443^2 + 819^2 .

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 20410983 and 20411001.

It is not an unprimeable number, because it can be changed into a prime (20411011) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 113305 + ... + 113484.

Almost surely, 2^20411010 is an apocalyptic number.

20411010 is an abundant number, since it is smaller than the sum of its proper divisors (32657850).

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

20411010 is a wasteful number, since it uses less digits than its factorization.

20411010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 226802 (or 226799 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

The square root of 20411010 is about 4517.8545793330. The cubic root of 20411010 is about 273.2885890801.

Adding to 20411010 its reverse (1011402), we get a palindrome (21422412).

The spelling of 20411010 in words is "twenty million, four hundred eleven thousand, ten".