20015246160 has 240 divisors, whose sum is σ = 82729954944. Its totient is φ = 4222983168.

The previous prime is 20015246159. The next prime is 20015246183. The reversal of 20015246160 is 6164251002.

20015246160 is a `hidden beast` number, since 20 + 0 + 1 + 5 + 24 + 616 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (240).

It is a super-2 number, since 2×20015246160² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 87222 + ... + 218261.

Almost surely, 2^20015246160 is an apocalyptic number.

20015246160 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20015246160 is an abundant number, since it is smaller than the sum of its proper divisors (62714708784).

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

20015246160 is a wasteful number, since it uses less digits than its factorization.

20015246160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 305522 (or 305513 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

Adding to 20015246160 its reverse (6164251002), we get a palindrome (26179497162).

The spelling of 20015246160 in words is "twenty billion, fifteen million, two hundred forty-six thousand, one hundred sixty".