202210102020020 has 24 divisors (see below), whose sum is σ = 428845582704168. Its totient is φ = 80083208720000.

The previous prime is 202210102020013. The next prime is 202210102020023. The reversal of 202210102020020 is 20020201012202.

It can be written as a sum of positive squares in 4 ways, for example, as 81821938620304 + 120388163399716 = 9045548^2 + 10972154^2 .

It is a junction number, because it is equal to n+sod(n) for n = 202210102019977 and 202210102020004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202210102020023) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50052003431 + ... + 50052007470.

It is an arithmetic number, because the mean of its divisors is an integer number (17868565946007).

Almost surely, 2^{202210102020020} is an apocalyptic number.

202210102020020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

202210102020020 is an abundant number, since it is smaller than the sum of its proper divisors (226635480684148).

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

202210102020020 is a wasteful number, since it uses less digits than its factorization.

202210102020020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100104011011 (or 100104011009 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 202210102020020 its reverse (20020201012202), we get a palindrome (222230303032222).

The spelling of 202210102020020 in words is "two hundred two trillion, two hundred ten billion, one hundred two million, twenty thousand, twenty".