20213331334430 has 32 divisors (see below), whose sum is σ = 39358472880384. Its totient is φ = 7429915777536.

The previous prime is 20213331334337. The next prime is 20213331334433. The reversal of 20213331334430 is 3443313331202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20213331334433) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 348596939 + ... + 348654918.

It is an arithmetic number, because the mean of its divisors is an integer number (1229952277512).

Almost surely, 2^{20213331334430} is an apocalyptic number.

20213331334430 is a deficient number, since it is larger than the sum of its proper divisors (19145141545954).

20213331334430 is a wasteful number, since it uses less digits than its factorization.

20213331334430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 697252100.

The product of its (nonzero) digits is 46656, while the sum is 32.

Adding to 20213331334430 its reverse (3443313331202), we get a palindrome (23656644665632).

The spelling of 20213331334430 in words is "twenty trillion, two hundred thirteen billion, three hundred thirty-one million, three hundred thirty-four thousand, four hundred thirty".