10321203890 has 16 divisors (see below), whose sum is σ = 18581448600. Its totient is φ = 4127752320.

The previous prime is 10321203869. The next prime is 10321203917. The reversal of 10321203890 is 9830212301.

It can be written as a sum of positive squares in 4 ways, for example, as 9807138961 + 514064929 = 99031^2 + 22673^2 .

It is a super-2 number, since 2×10321203890² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29741 + ... + 146720.

Almost surely, 2^10321203890 is an apocalyptic number.

10321203890 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10321203890 is a deficient number, since it is larger than the sum of its proper divisors (8260244710).

10321203890 is a wasteful number, since it uses less digits than its factorization.

10321203890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 182317.

The product of its (nonzero) digits is 2592, while the sum is 29.

The spelling of 10321203890 in words is "ten billion, three hundred twenty-one million, two hundred three thousand, eight hundred ninety".