20082892648 has 96 divisors (see below), whose sum is σ = 47435529960. Its totient is φ = 7900623360.

The previous prime is 20082892601. The next prime is 20082892667. The reversal of 20082892648 is 84629828002.

It can be written as a sum of positive squares in 4 ways, for example, as 3612250404 + 16470642244 = 60102^2 + 128338^2 .

It is a super-2 number, since 2×20082892648² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (49).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 911490 + ... + 933262.

Almost surely, 2^20082892648 is an apocalyptic number.

20082892648 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20082892648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23717764980).

20082892648 is an abundant number, since it is smaller than the sum of its proper divisors (27352637312).

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

20082892648 is a wasteful number, since it uses less digits than its factorization.

20082892648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21987 (or 21976 counting only the distinct ones).

The product of its (nonzero) digits is 884736, while the sum is 49.

The spelling of 20082892648 in words is "twenty billion, eighty-two million, eight hundred ninety-two thousand, six hundred forty-eight".