20746950 has 48 divisors (see below), whose sum is σ = 58805760. Its totient is φ = 4741920.

The previous prime is 20746939. The next prime is 20746961. The reversal of 20746950 is 5964702.

It is an interprime number because it is at equal distance from previous prime (20746939) and next prime (20746961).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8830 + ... + 10929.

It is an arithmetic number, because the mean of its divisors is an integer number (1225120).

Almost surely, 2^20746950 is an apocalyptic number.

20746950 is an abundant number, since it is smaller than the sum of its proper divisors (38058810).

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

20746950 is a wasteful number, since it uses less digits than its factorization.

20746950 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19781 (or 19776 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 33.

The square root of 20746950 is about 4554.8819962761. The cubic root of 20746950 is about 274.7797685802.

The spelling of 20746950 in words is "twenty million, seven hundred forty-six thousand, nine hundred fifty".