20213430121010 has 32 divisors (see below), whose sum is σ = 43389822673152. Its totient is φ = 6629000685120.

The previous prime is 20213430120991. The next prime is 20213430121021. The reversal of 20213430121010 is 1012103431202.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 6277461161 + ... + 6277464380.

It is an arithmetic number, because the mean of its divisors is an integer number (1355931958536).

Almost surely, 2^{20213430121010} is an apocalyptic number.

20213430121010 is an abundant number, since it is smaller than the sum of its proper divisors (23176392552142).

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

20213430121010 is a wasteful number, since it uses less digits than its factorization.

20213430121010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12554925578.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 20213430121010 its reverse (1012103431202), we get a palindrome (21225533552212).

The spelling of 20213430121010 in words is "twenty trillion, two hundred thirteen billion, four hundred thirty million, one hundred twenty-one thousand, ten".