20772010 has 64 divisors (see below), whose sum is σ = 44808192. Its totient is φ = 6785856.

The previous prime is 20771987. The next prime is 20772019. The reversal of 20772010 is 1027702.

It is not an unprimeable number, because it can be changed into a prime (20772019) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 201619 + ... + 201721.

It is an arithmetic number, because the mean of its divisors is an integer number (700128).

Almost surely, 2^20772010 is an apocalyptic number.

20772010 is an abundant number, since it is smaller than the sum of its proper divisors (24036182).

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

20772010 is a wasteful number, since it uses less digits than its factorization.

20772010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 227.

The product of its (nonzero) digits is 196, while the sum is 19.

The square root of 20772010 is about 4557.6320606210. The cubic root of 20772010 is about 274.8903584960.

Adding to 20772010 its reverse (1027702), we get a palindrome (21799712).

The spelling of 20772010 in words is "twenty million, seven hundred seventy-two thousand, ten".