20150013400401 has 32 divisors (see below), whose sum is σ = 27840776491008. Its totient is φ = 12949727440320.

The previous prime is 20150013400397. The next prime is 20150013400403. The reversal of 20150013400401 is 10400431005102.

It is not a de Polignac number, because 20150013400401 - 2² = 20150013400397 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20150013400403) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 32382330 + ... + 32998716.

It is an arithmetic number, because the mean of its divisors is an integer number (870024265344).

Almost surely, 2^{20150013400401} is an apocalyptic number.

It is an amenable number.

20150013400401 is a deficient number, since it is larger than the sum of its proper divisors (7690763090607).

20150013400401 is a wasteful number, since it uses less digits than its factorization.

20150013400401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 617781.

The product of its (nonzero) digits is 480, while the sum is 21.

Adding to 20150013400401 its reverse (10400431005102), we get a palindrome (30550444405503).

The spelling of 20150013400401 in words is "twenty trillion, one hundred fifty billion, thirteen million, four hundred thousand, four hundred one".