20527374 has 24 divisors (see below), whose sum is σ = 47758248. Its totient is φ = 5864880.

The previous prime is 20527357. The next prime is 20527379. The reversal of 20527374 is 47372502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20527379) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 34617 + ... + 35204.

It is an arithmetic number, because the mean of its divisors is an integer number (1989927).

Almost surely, 2^20527374 is an apocalyptic number.

20527374 is an abundant number, since it is smaller than the sum of its proper divisors (27230874).

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

20527374 is a wasteful number, since it uses less digits than its factorization.

20527374 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69840 (or 69833 counting only the distinct ones).

The product of its (nonzero) digits is 11760, while the sum is 30.

The square root of 20527374 is about 4530.7145131866. The cubic root of 20527374 is about 273.8069483907.

Adding to 20527374 its reverse (47372502), we get a palindrome (67899876).

The spelling of 20527374 in words is "twenty million, five hundred twenty-seven thousand, three hundred seventy-four".