20914950 has 48 divisors (see below), whose sum is σ = 59281920. Its totient is φ = 4780320.

The previous prime is 20914939. The next prime is 20914951. The reversal of 20914950 is 5941902.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20914951) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8910 + ... + 11009.

It is an arithmetic number, because the mean of its divisors is an integer number (1235040).

Almost surely, 2^20914950 is an apocalyptic number.

20914950 is an abundant number, since it is smaller than the sum of its proper divisors (38366970).

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

20914950 is a wasteful number, since it uses less digits than its factorization.

20914950 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19941 (or 19936 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 30.

The square root of 20914950 is about 4573.2865643867. The cubic root of 20914950 is about 275.5194589260.

The spelling of 20914950 in words is "twenty million, nine hundred fourteen thousand, nine hundred fifty".