20152416 has 48 divisors (see below), whose sum is σ = 55206144. Its totient is φ = 6424704.

The previous prime is 20152411. The next prime is 20152421. The reversal of 20152416 is 61425102.

It is an interprime number because it is at equal distance from previous prime (20152411) and next prime (20152421).

It is a tau number, because it is divible by the number of its divisors (48).

It is a super-2 number, since 2×20152416² = 812239741274112, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20152392 and 20152401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20152411) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2356 + ... + 6771.

It is an arithmetic number, because the mean of its divisors is an integer number (1150128).

Almost surely, 2^20152416 is an apocalyptic number.

It is an amenable number.

20152416 is an abundant number, since it is smaller than the sum of its proper divisors (35053728).

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

20152416 is a wasteful number, since it uses less digits than its factorization.

20152416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9163 (or 9155 counting only the distinct ones).

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

The square root of 20152416 is about 4489.1442391618. The cubic root of 20152416 is about 272.1295518956.

Adding to 20152416 its reverse (61425102), we get a palindrome (81577518).

The spelling of 20152416 in words is "twenty million, one hundred fifty-two thousand, four hundred sixteen".