102031222023220 has 48 divisors (see below), whose sum is σ = 247626336625920. Its totient is φ = 34589075583744.

The previous prime is 102031222023193. The next prime is 102031222023221. The reversal of 102031222023220 is 22320222130201.

It is a super-2 number, since 2×102031222023220² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 102031222023191 and 102031222023200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102031222023221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4094338344 + ... + 4094363263.

It is an arithmetic number, because the mean of its divisors is an integer number (5158882013040).

Almost surely, 2^{102031222023220} is an apocalyptic number.

102031222023220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102031222023220 is an abundant number, since it is smaller than the sum of its proper divisors (145595114602700).

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

102031222023220 is a wasteful number, since it uses less digits than its factorization.

102031222023220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8188701712 (or 8188701710 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 102031222023220 its reverse (22320222130201), we get a palindrome (124351444153421).

The spelling of 102031222023220 in words is "one hundred two trillion, thirty-one billion, two hundred twenty-two million, twenty-three thousand, two hundred twenty".