20404213010 has 16 divisors (see below), whose sum is σ = 36730241856. Its totient is φ = 8161094448.

The previous prime is 20404213009. The next prime is 20404213013. The reversal of 20404213010 is 1031240402.

It is a self number, because there is not a number n which added to its sum of digits gives 20404213010.

It is not an unprimeable number, because it can be changed into a prime (20404213013) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 88139 + ... + 220401.

It is an arithmetic number, because the mean of its divisors is an integer number (2295640116).

Almost surely, 2^20404213010 is an apocalyptic number.

20404213010 is a deficient number, since it is larger than the sum of its proper divisors (16326028846).

20404213010 is a wasteful number, since it uses less digits than its factorization.

20404213010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147697.

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 20404213010 its reverse (1031240402), we get a palindrome (21435453412).

The spelling of 20404213010 in words is "twenty billion, four hundred four million, two hundred thirteen thousand, ten".