20001343412 has 12 divisors (see below), whose sum is σ = 35058901920. Its totient is φ = 9984514296.

The previous prime is 20001343381. The next prime is 20001343519. The reversal of 20001343412 is 21434310002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4036568 + ... + 4041519.

It is an arithmetic number, because the mean of its divisors is an integer number (2921575160).

Almost surely, 2^20001343412 is an apocalyptic number.

It is an amenable number.

20001343412 is a deficient number, since it is larger than the sum of its proper divisors (15057558508).

20001343412 is a wasteful number, since it uses less digits than its factorization.

20001343412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8078710 (or 8078708 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 20001343412 its reverse (21434310002), we get a palindrome (41435653414).

The spelling of 20001343412 in words is "twenty billion, one million, three hundred forty-three thousand, four hundred twelve".