10402401223220 has 12 divisors (see below), whose sum is σ = 21845042568804. Its totient is φ = 4160960489280.

The previous prime is 10402401223187. The next prime is 10402401223261. The reversal of 10402401223220 is 2232210420401.

It can be written as a sum of positive squares in 2 ways, for example, as 7414108168996 + 2988293054224 = 2722886^2 + 1728668^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 260060030561 + ... + 260060030600.

It is an arithmetic number, because the mean of its divisors is an integer number (1820420214067).

Almost surely, 2^{10402401223220} is an apocalyptic number.

10402401223220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10402401223220 is an abundant number, since it is smaller than the sum of its proper divisors (11442641345584).

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

10402401223220 is a wasteful number, since it uses less digits than its factorization.

10402401223220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 520120061170 (or 520120061168 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 23.

Adding to 10402401223220 its reverse (2232210420401), we get a palindrome (12634611643621).

The spelling of 10402401223220 in words is "ten trillion, four hundred two billion, four hundred one million, two hundred twenty-three thousand, two hundred twenty".