20102220202124 has 12 divisors (see below), whose sum is σ = 35184906083544. Its totient is φ = 10049389892544.

The previous prime is 20102220202123. The next prime is 20102220202147. The reversal of 20102220202124 is 42120202220102.

It is a super-2 number, since 2×20102220202124² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20102220202096 and 20102220202105.

It is not an unprimeable number, because it can be changed into a prime (20102220202121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 430025837 + ... + 430072580.

It is an arithmetic number, because the mean of its divisors is an integer number (2932075506962).

Almost surely, 2^{20102220202124} is an apocalyptic number.

It is an amenable number.

20102220202124 is a deficient number, since it is larger than the sum of its proper divisors (15082685881420).

20102220202124 is a wasteful number, since it uses less digits than its factorization.

20102220202124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 860104264 (or 860104262 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 20.

Adding to 20102220202124 its reverse (42120202220102), we get a palindrome (62222422422226).

The spelling of 20102220202124 in words is "twenty trillion, one hundred two billion, two hundred twenty million, two hundred two thousand, one hundred twenty-four".