20048007 has 16 divisors (see below), whose sum is σ = 31174400. Its totient is φ = 11455416.

The previous prime is 20047987. The next prime is 20048009. The reversal of 20048007 is 70084002.

It is a happy number.

It is not a de Polignac number, because 20048007 - 2⁶ = 20047943 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is the 4478-th Hogben number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20048009) by changing a digit.

It is a nontrivial repunit in base 4477.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8713 + ... + 10770.

It is an arithmetic number, because the mean of its divisors is an integer number (1948400).

Almost surely, 2^20048007 is an apocalyptic number.

20048007 is a deficient number, since it is larger than the sum of its proper divisors (11126393).

20048007 is an equidigital number, since it uses as much as digits as its factorization.

20048007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19507 (or 19493 counting only the distinct ones).

The product of its (nonzero) digits is 448, while the sum is 21.

The square root of 20048007 is about 4477.5000837521. The cubic root of 20048007 is about 271.6587731950.

It can be divided in two parts, 2004 and 8007, that added together give a triangular number (10011 = T₁₄₁).

The spelling of 20048007 in words is "twenty million, forty-eight thousand, seven".