20100402224 has 40 divisors (see below), whose sum is σ = 45008146080. Its totient is φ = 8517662208.

The previous prime is 20100402221. The next prime is 20100402229. The reversal of 20100402224 is 42220400102.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (20100402221) 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, 998279 + ... + 1018214.

It is an arithmetic number, because the mean of its divisors is an integer number (1125203652).

Almost surely, 2^20100402224 is an apocalyptic number.

It is an amenable number.

20100402224 is an abundant number, since it is smaller than the sum of its proper divisors (24907743856).

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

20100402224 is a wasteful number, since it uses less digits than its factorization.

20100402224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2016597 (or 2016591 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 17.

Adding to 20100402224 its reverse (42220400102), we get a palindrome (62320802326).

The spelling of 20100402224 in words is "twenty billion, one hundred million, four hundred two thousand, two hundred twenty-four".