20929670124480 has 252 divisors, whose sum is σ = 77952960685080. Its totient is φ = 5151918680064.

The previous prime is 20929670124421. The next prime is 20929670124497. The reversal of 20929670124480 is 8442107692902.

It is a happy number.

20929670124480 is a `hidden beast` number, since 2 + 0 + 9 + 2 + 96 + 70 + 1 + 2 + 4 + 480 = 666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 21014010 + ... + 21987449.

Almost surely, 2^{20929670124480} is an apocalyptic number.

20929670124480 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20929670124480 is an abundant number, since it is smaller than the sum of its proper divisors (57023290560600).

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

20929670124480 is a wasteful number, since it uses less digits than its factorization.

20929670124480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43001508 (or 43001482 counting only the distinct ones).

The product of its (nonzero) digits is 3483648, while the sum is 54.

The spelling of 20929670124480 in words is "twenty trillion, nine hundred twenty-nine billion, six hundred seventy million, one hundred twenty-four thousand, four hundred eighty".