20155416214470 has 32 divisors (see below), whose sum is σ = 48374012890080. Its totient is φ = 5374664993280.

The previous prime is 20155416214441. The next prime is 20155416214499. The reversal of 20155416214470 is 7441261455102.

It is an interprime number because it is at equal distance from previous prime (20155416214441) and next prime (20155416214499).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5581491 + ... + 8453630.

It is an arithmetic number, because the mean of its divisors is an integer number (1511687902815).

Almost surely, 2^{20155416214470} is an apocalyptic number.

20155416214470 is an abundant number, since it is smaller than the sum of its proper divisors (28218596675610).

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

20155416214470 is a wasteful number, since it uses less digits than its factorization.

20155416214470 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14083000.

The product of its (nonzero) digits is 268800, while the sum is 42.

Adding to 20155416214470 its reverse (7441261455102), we get a palindrome (27596677669572).

The spelling of 20155416214470 in words is "twenty trillion, one hundred fifty-five billion, four hundred sixteen million, two hundred fourteen thousand, four hundred seventy".