10220304040 has 32 divisors (see below), whose sum is σ = 23085184680. Its totient is φ = 4072210432.

The previous prime is 10220304011. The next prime is 10220304043. The reversal of 10220304040 is 4040302201.

It can be written as a sum of positive squares in 4 ways, for example, as 9193357924 + 1026946116 = 95882^2 + 32046^2 .

It is a super-2 number, since 2×10220304040² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10220304043) 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, 486817 + ... + 507376.

Almost surely, 2^10220304040 is an apocalyptic number.

10220304040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10220304040 is an abundant number, since it is smaller than the sum of its proper divisors (12864880640).

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

10220304040 is a wasteful number, since it uses less digits than its factorization.

10220304040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 994461 (or 994457 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

Adding to 10220304040 its reverse (4040302201), we get a palindrome (14260606241).

The spelling of 10220304040 in words is "ten billion, two hundred twenty million, three hundred four thousand, forty".