20578069848 has 64 divisors (see below), whose sum is σ = 58874400000. Its totient is φ = 5871457152.

The previous prime is 20578069807. The next prime is 20578069859. The reversal of 20578069848 is 84896087502.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41278 + ... + 207026.

It is an arithmetic number, because the mean of its divisors is an integer number (919912500).

Almost surely, 2^20578069848 is an apocalyptic number.

20578069848 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

20578069848 is an abundant number, since it is smaller than the sum of its proper divisors (38296330152).

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

20578069848 is a wasteful number, since it uses less digits than its factorization.

20578069848 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166504 (or 166500 counting only the distinct ones).

The product of its (nonzero) digits is 7741440, while the sum is 57.

The spelling of 20578069848 in words is "twenty billion, five hundred seventy-eight million, sixty-nine thousand, eight hundred forty-eight".