20061486 has 16 divisors (see below), whose sum is σ = 44581200. Its totient is φ = 6687144.

The previous prime is 20061449. The next prime is 20061491. The reversal of 20061486 is 68416002.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 185701 + ... + 185808.

It is an arithmetic number, because the mean of its divisors is an integer number (2786325).

Almost surely, 2^20061486 is an apocalyptic number.

20061486 is an abundant number, since it is smaller than the sum of its proper divisors (24519714).

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

20061486 is a wasteful number, since it uses less digits than its factorization.

20061486 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 371520 (or 371514 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 20061486 is about 4479.0050234399. The cubic root of 20061486 is about 271.7196415610.

Adding to 20061486 its reverse (68416002), we get a palindrome (88477488).

The spelling of 20061486 in words is "twenty million, sixty-one thousand, four hundred eighty-six".