20213112320010 has 32 divisors (see below), whose sum is σ = 53901632854080. Its totient is φ = 5390163285264.

The previous prime is 20213112319993. The next prime is 20213112320029. The reversal of 20213112320010 is 1002321131202.

20213112320010 is a `hidden beast` number, since 2 + 0 + 21 + 311 + 2 + 320 + 0 + 10 = 666.

It is a super-2 number, since 2×20213112320010² (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 an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 37431689212 + ... + 37431689751.

It is an arithmetic number, because the mean of its divisors is an integer number (1684426026690).

Almost surely, 2^{20213112320010} is an apocalyptic number.

20213112320010 is an abundant number, since it is smaller than the sum of its proper divisors (33688520534070).

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

20213112320010 is a wasteful number, since it uses less digits than its factorization.

20213112320010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74863378979 (or 74863378973 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 20213112320010 its reverse (1002321131202), we get a palindrome (21215433451212).

The spelling of 20213112320010 in words is "twenty trillion, two hundred thirteen billion, one hundred twelve million, three hundred twenty thousand, ten".