32103123220 has 72 divisors (see below), whose sum is σ = 80953205760. Its totient is φ = 10651717440.

The previous prime is 32103123209. The next prime is 32103123229. The reversal of 32103123220 is 2232130123.

It is a super-2 number, since 2×32103123220² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32103123229) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 497980 + ... + 558739.

It is an arithmetic number, because the mean of its divisors is an integer number (1124350080).

Almost surely, 2^32103123220 is an apocalyptic number.

It is an amenable number.

32103123220 is an abundant number, since it is smaller than the sum of its proper divisors (48850082540).

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

32103123220 is a wasteful number, since it uses less digits than its factorization.

32103123220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1056773 (or 1056764 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 32103123220 its reverse (2232130123), we get a palindrome (34335253343).

The spelling of 32103123220 in words is "thirty-two billion, one hundred three million, one hundred twenty-three thousand, two hundred twenty".