20901050 has 24 divisors (see below), whose sum is σ = 39184992. Its totient is φ = 8294000.

The previous prime is 20901047. The next prime is 20901071. The reversal of 20901050 is 5010902.

It is a super-2 number, since 2×20901050² = 873707782205000, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4955 + ... + 8145.

It is an arithmetic number, because the mean of its divisors is an integer number (1632708).

Almost surely, 2^20901050 is an apocalyptic number.

20901050 is a deficient number, since it is larger than the sum of its proper divisors (18283942).

20901050 is a wasteful number, since it uses less digits than its factorization.

20901050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3334 (or 3329 counting only the distinct ones).

The product of its (nonzero) digits is 90, while the sum is 17.

The square root of 20901050 is about 4571.7666169655. The cubic root of 20901050 is about 275.4584089880.

Adding to 20901050 its reverse (5010902), we get a palindrome (25911952).

The spelling of 20901050 in words is "twenty million, nine hundred one thousand, fifty".