10203456772 has 24 divisors (see below), whose sum is σ = 18106887680. Its totient is φ = 5030449920.

The previous prime is 10203456751. The next prime is 10203456803. The reversal of 10203456772 is 27765430201.

It is a happy number.

It is a super-2 number, since 2×10203456772² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56629 + ... + 153667.

Almost surely, 2^10203456772 is an apocalyptic number.

It is an amenable number.

10203456772 is a deficient number, since it is larger than the sum of its proper divisors (7903430908).

10203456772 is a wasteful number, since it uses less digits than its factorization.

10203456772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97411 (or 97409 counting only the distinct ones).

The product of its (nonzero) digits is 70560, while the sum is 37.

Adding to 10203456772 its reverse (27765430201), we get a palindrome (37968886973).

The spelling of 10203456772 in words is "ten billion, two hundred three million, four hundred fifty-six thousand, seven hundred seventy-two".