10220631890 has 32 divisors (see below), whose sum is σ = 21119616000. Its totient is φ = 3488497344.

The previous prime is 10220631887. The next prime is 10220631913. The reversal of 10220631890 is 9813602201.

It is a super-2 number, since 2×10220631890² (a number of 21 digits) contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 311765 + ... + 342984.

It is an arithmetic number, because the mean of its divisors is an integer number (659988000).

Almost surely, 2^10220631890 is an apocalyptic number.

10220631890 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10220631890 is an abundant number, since it is smaller than the sum of its proper divisors (10898984110).

10220631890 is a wasteful number, since it uses less digits than its factorization.

10220631890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 654986.

The product of its (nonzero) digits is 5184, while the sum is 32.

The spelling of 10220631890 in words is "ten billion, two hundred twenty million, six hundred thirty-one thousand, eight hundred ninety".