20143434102 has 24 divisors (see below), whose sum is σ = 44282261688. Its totient is φ = 6104070720.

The previous prime is 20143434061. The next prime is 20143434149.

20143434102 is nontrivially palindromic in base 10.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13872163 + ... + 13873614.

It is an arithmetic number, because the mean of its divisors is an integer number (1845094237).

Almost surely, 2^20143434102 is an apocalyptic number.

20143434102 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

20143434102 is an abundant number, since it is smaller than the sum of its proper divisors (24138827586).

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

20143434102 is a wasteful number, since it uses less digits than its factorization.

20143434102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27745804 (or 27745793 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

The spelling of 20143434102 in words is "twenty billion, one hundred forty-three million, four hundred thirty-four thousand, one hundred two".