20150402043416 has 16 divisors (see below), whose sum is σ = 38422376778600. Its totient is φ = 9904434902464.

The previous prime is 20150402043407. The next prime is 20150402043427. The reversal of 20150402043416 is 61434020405102.

It is a super-2 number, since 2×20150402043416² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 21345764405 + ... + 21345765348.

Almost surely, 2^{20150402043416} is an apocalyptic number.

It is an amenable number.

20150402043416 is a deficient number, since it is larger than the sum of its proper divisors (18271974735184).

20150402043416 is a wasteful number, since it uses less digits than its factorization.

20150402043416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42691529818 (or 42691529814 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 32.

Adding to 20150402043416 its reverse (61434020405102), we get a palindrome (81584422448518).

The spelling of 20150402043416 in words is "twenty trillion, one hundred fifty billion, four hundred two million, forty-three thousand, four hundred sixteen".