20150402043401 has 8 divisors (see below), whose sum is σ = 23232827641344. Its totient is φ = 17118925629120.

The previous prime is 20150402043389. The next prime is 20150402043407. The reversal of 20150402043401 is 10434020405102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 20150402043401 - 2⁶ = 20150402043337 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20150402043407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12737295065 + ... + 12737296646.

It is an arithmetic number, because the mean of its divisors is an integer number (2904103455168).

Almost surely, 2^{20150402043401} is an apocalyptic number.

It is an amenable number.

20150402043401 is a deficient number, since it is larger than the sum of its proper divisors (3082425597943).

20150402043401 is a wasteful number, since it uses less digits than its factorization.

20150402043401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25474591831.

The product of its (nonzero) digits is 3840, while the sum is 26.

Adding to 20150402043401 its reverse (10434020405102), we get a palindrome (30584422448503).

The spelling of 20150402043401 in words is "twenty trillion, one hundred fifty billion, four hundred two million, forty-three thousand, four hundred one".