20738950 has 12 divisors (see below), whose sum is σ = 38574540. Its totient is φ = 8295560.

The previous prime is 20738933. The next prime is 20738951. The reversal of 20738950 is 5983702.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20738951) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 207340 + ... + 207439.

It is an arithmetic number, because the mean of its divisors is an integer number (3214545).

Almost surely, 2^20738950 is an apocalyptic number.

20738950 is a deficient number, since it is larger than the sum of its proper divisors (17835590).

20738950 is a wasteful number, since it uses less digits than its factorization.

20738950 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 414791 (or 414786 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 34.

The square root of 20738950 is about 4554.0037329805. The cubic root of 20738950 is about 274.7444457857.

Subtracting from 20738950 its sum of digits (34), we obtain a square (20738916 = 4554²).

The spelling of 20738950 in words is "twenty million, seven hundred thirty-eight thousand, nine hundred fifty".