20021202201132 has 144 divisors (see below), whose sum is σ = 56412585395712. Its totient is φ = 5935004595840.

The previous prime is 20021202201131. The next prime is 20021202201139. The reversal of 20021202201132 is 23110220212002.

20021202201132 is a `hidden beast` number, since 200 + 212 + 0 + 220 + 1 + 1 + 32 = 666.

It is a super-2 number, since 2×20021202201132² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (20021202201131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 37461178 + ... + 37991870.

It is an arithmetic number, because the mean of its divisors is an integer number (391754065248).

Almost surely, 2^{20021202201132} is an apocalyptic number.

20021202201132 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20021202201132, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28206292697856).

20021202201132 is an abundant number, since it is smaller than the sum of its proper divisors (36391383194580).

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

20021202201132 is a wasteful number, since it uses less digits than its factorization.

20021202201132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 532788 (or 532783 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 20021202201132 its reverse (23110220212002), we get a palindrome (43131422413134).

The spelling of 20021202201132 in words is "twenty trillion, twenty-one billion, two hundred two million, two hundred one thousand, one hundred thirty-two".