10302323220 has 72 divisors (see below), whose sum is σ = 35714724864. Its totient is φ = 2354816448.

The previous prime is 10302323191. The next prime is 10302323233. The reversal of 10302323220 is 2232320301.

It is a happy number.

10302323220 is a `hidden beast` number, since 10 + 302 + 32 + 322 + 0 = 666.

It is a super-2 number, since 2×10302323220² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 10302323193 and 10302323202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4086964 + ... + 4089483.

Almost surely, 2^10302323220 is an apocalyptic number.

10302323220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10302323220 is an abundant number, since it is smaller than the sum of its proper divisors (25412401644).

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

10302323220 is a wasteful number, since it uses less digits than its factorization.

10302323220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8176469 (or 8176464 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

Adding to 10302323220 its reverse (2232320301), we get a palindrome (12534643521).

The spelling of 10302323220 in words is "ten billion, three hundred two million, three hundred twenty-three thousand, two hundred twenty".