10220203156 has 6 divisors (see below), whose sum is σ = 17885355530. Its totient is φ = 5110101576.

The previous prime is 10220203141. The next prime is 10220203177. The reversal of 10220203156 is 65130202201.

It can be written as a sum of positive squares in only one way, i.e., 10167495556 + 52707600 = 100834^2 + 7260^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1277525391 + ... + 1277525398.

Almost surely, 2^10220203156 is an apocalyptic number.

It is an amenable number.

10220203156 is a deficient number, since it is larger than the sum of its proper divisors (7665152374).

10220203156 is a wasteful number, since it uses less digits than its factorization.

10220203156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2555050793 (or 2555050791 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 22.

Adding to 10220203156 its reverse (65130202201), we get a palindrome (75350405357).

The spelling of 10220203156 in words is "ten billion, two hundred twenty million, two hundred three thousand, one hundred fifty-six".