20411102 has 4 divisors (see below), whose sum is σ = 30616656. Its totient is φ = 10205550.

The previous prime is 20411093. The next prime is 20411107. The reversal of 20411102 is 20111402.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×20411102² = 833226169708808, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20411107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5102774 + ... + 5102777.

It is an arithmetic number, because the mean of its divisors is an integer number (7654164).

Almost surely, 2^20411102 is an apocalyptic number.

20411102 is a deficient number, since it is larger than the sum of its proper divisors (10205554).

20411102 is a wasteful number, since it uses less digits than its factorization.

20411102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10205553.

The product of its (nonzero) digits is 16, while the sum is 11.

The square root of 20411102 is about 4517.8647611455. The cubic root of 20411102 is about 273.2889996839.

Adding to 20411102 its reverse (20111402), we get a palindrome (40522504).

The spelling of 20411102 in words is "twenty million, four hundred eleven thousand, one hundred two".