20001486 has 32 divisors (see below), whose sum is σ = 42660000. Its totient is φ = 6230016.

The previous prime is 20001451. The next prime is 20001491. The reversal of 20001486 is 68410002.

It is a Curzon number.

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, 15390 + ... + 16638.

It is an arithmetic number, because the mean of its divisors is an integer number (1333125).

Almost surely, 2^20001486 is an apocalyptic number.

20001486 is an abundant number, since it is smaller than the sum of its proper divisors (22658514).

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

20001486 is a wasteful number, since it uses less digits than its factorization.

20001486 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1428.

The product of its (nonzero) digits is 384, while the sum is 21.

The square root of 20001486 is about 4472.3020917644. The cubic root of 20001486 is about 271.4484842006.

Adding to 20001486 its reverse (68410002), we get a palindrome (88411488).

It can be divided in two parts, 2000 and 1486, that added together give a triangular number (3486 = T₈₃).

The spelling of 20001486 in words is "twenty million, one thousand, four hundred eighty-six".