20011010221202 has 288 divisors, whose sum is σ = 43993884533760. Its totient is φ = 6737796172800.

The previous prime is 20011010221133. The next prime is 20011010221207. The reversal of 20011010221202 is 20212201011002.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is not an unprimeable number, because it can be changed into a prime (20011010221207) by changing a digit.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 500518049 + ... + 500558027.

It is an arithmetic number, because the mean of its divisors is an integer number (152756543520).

Almost surely, 2^{20011010221202} is an apocalyptic number.

20011010221202 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

20011010221202 is an abundant number, since it is smaller than the sum of its proper divisors (23982874312558).

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

20011010221202 is a wasteful number, since it uses less digits than its factorization.

20011010221202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40238 (or 40220 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 20011010221202 its reverse (20212201011002), we get a palindrome (40223211232204).

The spelling of 20011010221202 in words is "twenty trillion, eleven billion, ten million, two hundred twenty-one thousand, two hundred two".