102000222020 has 24 divisors (see below), whose sum is σ = 226800494424. Its totient is φ = 38400083456.

The previous prime is 102000222017. The next prime is 102000222053. The reversal of 102000222020 is 20222000201.

It can be written as a sum of positive squares in 4 ways, for example, as 51681656896 + 50318565124 = 227336^2 + 224318^2 .

It is a junction number, because it is equal to n+sod(n) for n = 102000221992 and 102000222010.

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, 149999987 + ... + 150000666.

It is an arithmetic number, because the mean of its divisors is an integer number (9450020601).

Almost surely, 2^102000222020 is an apocalyptic number.

102000222020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102000222020 is an abundant number, since it is smaller than the sum of its proper divisors (124800272404).

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

102000222020 is a wasteful number, since it uses less digits than its factorization.

102000222020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 300000679 (or 300000677 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 11.

Adding to 102000222020 its reverse (20222000201), we get a palindrome (122222222221).

The spelling of 102000222020 in words is "one hundred two billion, two hundred twenty-two thousand, twenty".