20486950 has 36 divisors (see below), whose sum is σ = 41786388. Its totient is φ = 7411200.

The previous prime is 20486933. The next prime is 20486953. The reversal of 20486950 is 5968402.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20486953) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 106054 + ... + 106246.

It is an arithmetic number, because the mean of its divisors is an integer number (1160733).

Almost surely, 2^20486950 is an apocalyptic number.

20486950 is an abundant number, since it is smaller than the sum of its proper divisors (21299438).

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

20486950 is a wasteful number, since it uses less digits than its factorization.

20486950 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 409 (or 211 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 34.

The square root of 20486950 is about 4526.2512082296. The cubic root of 20486950 is about 273.6270967515.

It can be divided in two parts, 2048 and 6950, that added together give a palindrome (8998).

The spelling of 20486950 in words is "twenty million, four hundred eighty-six thousand, nine hundred fifty".