10200422421220 has 24 divisors (see below), whose sum is σ = 22159538364600. Its totient is φ = 3939473486592.

The previous prime is 10200422421173. The next prime is 10200422421223. The reversal of 10200422421220 is 2212422400201.

It can be written as a sum of positive squares in 4 ways, for example, as 1352736477184 + 8847685944036 = 1163072^2 + 2974506^2 .

It is a junction number, because it is equal to n+sod(n) for n = 10200422421191 and 10200422421200.

It is not an unprimeable number, because it can be changed into a prime (10200422421223) 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, 8793467025 + ... + 8793468184.

It is an arithmetic number, because the mean of its divisors is an integer number (923314098525).

Almost surely, 2^{10200422421220} is an apocalyptic number.

10200422421220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10200422421220 is an abundant number, since it is smaller than the sum of its proper divisors (11959115943380).

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

10200422421220 is a wasteful number, since it uses less digits than its factorization.

10200422421220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17586935247 (or 17586935245 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 22.

Adding to 10200422421220 its reverse (2212422400201), we get a palindrome (12412844821421).

The spelling of 10200422421220 in words is "ten trillion, two hundred billion, four hundred twenty-two million, four hundred twenty-one thousand, two hundred twenty".