20000004999948 has 96 divisors (see below), whose sum is σ = 52088001638400. Its totient is φ = 6636312052992.

The previous prime is 20000004999943. The next prime is 20000004999991. The reversal of 20000004999948 is 84999940000002.

20000004999948 is a `hidden beast` number, since 20 + 0 + 0 + 0 + 0 + 0 + 499 + 99 + 48 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a junction number, because it is equal to n+sod(n) for n = 20000004999894 and 20000004999903.

It is not an unprimeable number, because it can be changed into a prime (20000004999943) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 669351673 + ... + 669381551.

It is an arithmetic number, because the mean of its divisors is an integer number (542583350400).

Almost surely, 2^{20000004999948} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20000004999948, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26044000819200).

20000004999948 is an abundant number, since it is smaller than the sum of its proper divisors (32087996638452).

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

20000004999948 is a wasteful number, since it uses less digits than its factorization.

20000004999948 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57908 (or 57900 counting only the distinct ones).

The product of its (nonzero) digits is 1679616, while the sum is 54.

The spelling of 20000004999948 in words is "twenty trillion, four million, nine hundred ninety-nine thousand, nine hundred forty-eight".