20477037062148 has 48 divisors (see below), whose sum is σ = 49067412018240. Its totient is φ = 6642873869184.

The previous prime is 20477037062089. The next prime is 20477037062159. The reversal of 20477037062148 is 84126073077402.

It is a self number, because there is not a number n which added to its sum of digits gives 20477037062148.

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 15 ways as a sum of consecutive naturals, for example, 71489163 + ... + 71775026.

It is an arithmetic number, because the mean of its divisors is an integer number (1022237750380).

Almost surely, 2^{20477037062148} is an apocalyptic number.

It is an amenable number.

20477037062148 is an abundant number, since it is smaller than the sum of its proper divisors (28590374956092).

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

20477037062148 is a wasteful number, since it uses less digits than its factorization.

20477037062148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143264516 (or 143264514 counting only the distinct ones).

The product of its (nonzero) digits is 3161088, while the sum is 51.

The spelling of 20477037062148 in words is "twenty trillion, four hundred seventy-seven billion, thirty-seven million, sixty-two thousand, one hundred forty-eight".