20827612848 has 40 divisors (see below), whose sum is σ = 61491048448. Its totient is φ = 5950746432.

The previous prime is 20827612847. The next prime is 20827612859. The reversal of 20827612848 is 84821672802.

It is a super-2 number, since 2×20827612848² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a junction number, because it is equal to n+sod(n) for n = 20827612797 and 20827612806.

It is not an unprimeable number, because it can be changed into a prime (20827612843) 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, 30993136 + ... + 30993807.

Almost surely, 2^20827612848 is an apocalyptic number.

20827612848 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

20827612848 is an abundant number, since it is smaller than the sum of its proper divisors (40663435600).

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

20827612848 is a wasteful number, since it uses less digits than its factorization.

20827612848 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61986961 (or 61986955 counting only the distinct ones).

The product of its (nonzero) digits is 688128, while the sum is 48.

The spelling of 20827612848 in words is "twenty billion, eight hundred twenty-seven million, six hundred twelve thousand, eight hundred forty-eight".