20014143410640 has 160 divisors (see below), whose sum is σ = 62610145372800. Its totient is φ = 5288611829760.

The previous prime is 20014143410633. The next prime is 20014143410669. The reversal of 20014143410640 is 4601434141002.

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

It is a junction number, because it is equal to n+sod(n) for n = 20014143410598 and 20014143410607.

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, 10733626 + ... + 12459494.

It is an arithmetic number, because the mean of its divisors is an integer number (391313408580).

Almost surely, 2^{20014143410640} is an apocalyptic number.

20014143410640 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20014143410640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31305072686400).

20014143410640 is an abundant number, since it is smaller than the sum of its proper divisors (42596001962160).

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

20014143410640 is a wasteful number, since it uses less digits than its factorization.

20014143410640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1726325 (or 1726319 counting only the distinct ones).

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

Adding to 20014143410640 its reverse (4601434141002), we get a palindrome (24615577551642).

The spelling of 20014143410640 in words is "twenty trillion, fourteen billion, one hundred forty-three million, four hundred ten thousand, six hundred forty".