102203100023220 has 96 divisors (see below), whose sum is σ = 363388800096000. Its totient is φ = 23360708575872.

The previous prime is 102203100023113. The next prime is 102203100023251. The reversal of 102203100023220 is 22320001302201.

102203100023220 is a `hidden beast` number, since 10 + 2 + 20 + 310 + 0 + 0 + 2 + 322 + 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 = 102203100023193 and 102203100023202.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13518924795 + ... + 13518932354.

It is an arithmetic number, because the mean of its divisors is an integer number (3785300001000).

Almost surely, 2^{102203100023220} is an apocalyptic number.

102203100023220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102203100023220 is an abundant number, since it is smaller than the sum of its proper divisors (261185700072780).

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

102203100023220 is a wasteful number, since it uses less digits than its factorization.

102203100023220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27037857174 (or 27037857166 counting only the distinct ones).

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

Adding to 102203100023220 its reverse (22320001302201), we get a palindrome (124523101325421).

The spelling of 102203100023220 in words is "one hundred two trillion, two hundred three billion, one hundred million, twenty-three thousand, two hundred twenty".