20027774 has 16 divisors (see below), whose sum is σ = 32838288. Its totient is φ = 9104832.

The previous prime is 20027741. The next prime is 20027783. The reversal of 20027774 is 47772002.

It is a super-2 number, since 2×20027774² = 802223462790152, which contains 22 as substring.

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, 4007 + ... + 7490.

It is an arithmetic number, because the mean of its divisors is an integer number (2052393).

Almost surely, 2^20027774 is an apocalyptic number.

20027774 is a deficient number, since it is larger than the sum of its proper divisors (12810514).

20027774 is a wasteful number, since it uses less digits than its factorization.

20027774 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11579.

The product of its (nonzero) digits is 5488, while the sum is 29.

The square root of 20027774 is about 4475.2401052904. The cubic root of 20027774 is about 271.5673539322.

Adding to 20027774 its reverse (47772002), we get a palindrome (67799776).

It can be divided in two parts, 2002777 and 4, that multiplied together give a palindrome (8011108).

The spelling of 20027774 in words is "twenty million, twenty-seven thousand, seven hundred seventy-four".