20541010 has 32 divisors (see below), whose sum is σ = 42861312. Its totient is φ = 6941760.

The previous prime is 20540999. The next prime is 20541013. The reversal of 20541010 is 1014502.

It is not an unprimeable number, because it can be changed into a prime (20541013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2904 + ... + 7036.

It is an arithmetic number, because the mean of its divisors is an integer number (1339416).

Almost surely, 2^20541010 is an apocalyptic number.

20541010 is an abundant number, since it is smaller than the sum of its proper divisors (22320302).

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

20541010 is a wasteful number, since it uses less digits than its factorization.

20541010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4218.

The product of its (nonzero) digits is 40, while the sum is 13.

The square root of 20541010 is about 4532.2191032650. The cubic root of 20541010 is about 273.8675634686.

Adding to 20541010 its reverse (1014502), we get a palindrome (21555512).

It can be divided in two parts, 205 and 41010, that multiplied together give a triangular number (8407050 = T₄₁₀₀).

The spelling of 20541010 in words is "twenty million, five hundred forty-one thousand, ten".