10203620344225 has 48 divisors (see below), whose sum is σ = 16702445725056. Its totient is φ = 5986539648000.

The previous prime is 10203620344217. The next prime is 10203620344283. The reversal of 10203620344225 is 52244302630201.

It is not a de Polignac number, because 10203620344225 - 2³ = 10203620344217 is a prime.

It is a super-2 number, since 2×10203620344225² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 155866746 + ... + 155932195.

It is an arithmetic number, because the mean of its divisors is an integer number (347967619272).

Almost surely, 2^{10203620344225} is an apocalyptic number.

It is an amenable number.

10203620344225 is a deficient number, since it is larger than the sum of its proper divisors (6498825380831).

10203620344225 is a wasteful number, since it uses less digits than its factorization.

10203620344225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 311798986 (or 311798981 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 34.

Adding to 10203620344225 its reverse (52244302630201), we get a palindrome (62447922974426).

The spelling of 10203620344225 in words is "ten trillion, two hundred three billion, six hundred twenty million, three hundred forty-four thousand, two hundred twenty-five".