10203620225530 has 8 divisors (see below), whose sum is σ = 18366516405972. Its totient is φ = 4081448090208.

The previous prime is 10203620225521. The next prime is 10203620225551. The reversal of 10203620225530 is 3552202630201.

It can be written as a sum of positive squares in 2 ways, for example, as 9577285688961 + 626334536569 = 3094719^2 + 791413^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×10203620225530² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10203620225492 and 10203620225501.

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, 510181011267 + ... + 510181011286.

Almost surely, 2^{10203620225530} is an apocalyptic number.

10203620225530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10203620225530 is a deficient number, since it is larger than the sum of its proper divisors (8162896180442).

10203620225530 is a wasteful number, since it uses less digits than its factorization.

10203620225530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1020362022560.

The product of its (nonzero) digits is 21600, while the sum is 31.

Adding to 10203620225530 its reverse (3552202630201), we get a palindrome (13755822855731).

The spelling of 10203620225530 in words is "ten trillion, two hundred three billion, six hundred twenty million, two hundred twenty-five thousand, five hundred thirty".