10321023420 has 72 divisors (see below), whose sum is σ = 31320066960. Its totient is φ = 2751133440.

The previous prime is 10321023407. The next prime is 10321023431. The reversal of 10321023420 is 2432012301.

10321023420 is a `hidden beast` number, since 1 + 0 + 321 + 0 + 2 + 342 + 0 = 666.

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 = 10321023393 and 10321023402.

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, 480715 + ... + 501725.

It is an arithmetic number, because the mean of its divisors is an integer number (435000930).

Almost surely, 2^10321023420 is an apocalyptic number.

10321023420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10321023420 is an abundant number, since it is smaller than the sum of its proper divisors (20999043540).

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

10321023420 is a wasteful number, since it uses less digits than its factorization.

10321023420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23755 (or 23750 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 10321023420 its reverse (2432012301), we get a palindrome (12753035721).

The spelling of 10321023420 in words is "ten billion, three hundred twenty-one million, twenty-three thousand, four hundred twenty".