102113222020 has 24 divisors (see below), whose sum is σ = 214571107800. Its totient is φ = 40819890432.

The previous prime is 102113221883. The next prime is 102113222069. The reversal of 102113222020 is 20222311201.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 55598810436 + 46514411584 = 235794^2 + 215672^2 .

It is a super-2 number, since 2×102113222020² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 102113221985 and 102113222003.

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, 1554415 + ... + 1618774.

It is an arithmetic number, because the mean of its divisors is an integer number (8940462825).

Almost surely, 2^102113222020 is an apocalyptic number.

102113222020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102113222020 is an abundant number, since it is smaller than the sum of its proper divisors (112457885780).

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

102113222020 is a wasteful number, since it uses less digits than its factorization.

102113222020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3174807 (or 3174805 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 102113222020 its reverse (20222311201), we get a palindrome (122335533221).

The spelling of 102113222020 in words is "one hundred two billion, one hundred thirteen million, two hundred twenty-two thousand, twenty".