20311100213030 has 64 divisors (see below), whose sum is σ = 43808089766400. Its totient is φ = 6692902571520.

The previous prime is 20311100212969. The next prime is 20311100213051. The reversal of 20311100213030 is 3031200111302.

It is a super-2 number, since 2×20311100213030² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 211217795 + ... + 211313934.

It is an arithmetic number, because the mean of its divisors is an integer number (684501402600).

Almost surely, 2^{20311100213030} is an apocalyptic number.

20311100213030 is an abundant number, since it is smaller than the sum of its proper divisors (23496989553370).

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

20311100213030 is a wasteful number, since it uses less digits than its factorization.

20311100213030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 422531789.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 20311100213030 its reverse (3031200111302), we get a palindrome (23342300324332).

The spelling of 20311100213030 in words is "twenty trillion, three hundred eleven billion, one hundred million, two hundred thirteen thousand, thirty".