202101230222020 has 12 divisors (see below), whose sum is σ = 424412583466284. Its totient is φ = 80840492088800.

The previous prime is 202101230222011. The next prime is 202101230222027. The reversal of 202101230222020 is 20222032101202.

It can be written as a sum of positive squares in 2 ways, for example, as 103716137228544 + 98385092993476 = 10184112^2 + 9918926^2 .

It is not an unprimeable number, because it can be changed into a prime (202101230222027) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5052530755531 + ... + 5052530755570.

It is an arithmetic number, because the mean of its divisors is an integer number (35367715288857).

Almost surely, 2^{202101230222020} is an apocalyptic number.

202101230222020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

202101230222020 is an abundant number, since it is smaller than the sum of its proper divisors (222311353244264).

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

202101230222020 is a wasteful number, since it uses less digits than its factorization.

202101230222020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10105061511110 (or 10105061511108 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 202101230222020 its reverse (20222032101202), we get a palindrome (222323262323222).

The spelling of 202101230222020 in words is "two hundred two trillion, one hundred one billion, two hundred thirty million, two hundred twenty-two thousand, twenty".