20143421434110 has 64 divisors (see below), whose sum is σ = 52916488752960. Its totient is φ = 4877095726080.

The previous prime is 20143421434061. The next prime is 20143421434121. The reversal of 20143421434110 is 1143412434102.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 423335215 + ... + 423382794.

It is an arithmetic number, because the mean of its divisors is an integer number (826820136765).

Almost surely, 2^{20143421434110} is an apocalyptic number.

20143421434110 is an abundant number, since it is smaller than the sum of its proper divisors (32773067318850).

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

20143421434110 is a wasteful number, since it uses less digits than its factorization.

20143421434110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 846718093.

The product of its (nonzero) digits is 9216, while the sum is 30.

Adding to 20143421434110 its reverse (1143412434102), we get a palindrome (21286833868212).

The spelling of 20143421434110 in words is "twenty trillion, one hundred forty-three billion, four hundred twenty-one million, four hundred thirty-four thousand, one hundred ten".