20750463 has 6 divisors (see below), whose sum is σ = 29972904. Its totient is φ = 13833636.

The previous prime is 20750461. The next prime is 20750473. The reversal of 20750463 is 36405702.

It is a happy number.

It is not a de Polignac number, because 20750463 - 2¹ = 20750461 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20750461) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1152795 + ... + 1152812.

It is an arithmetic number, because the mean of its divisors is an integer number (4995484).

Almost surely, 2^20750463 is an apocalyptic number.

20750463 is a deficient number, since it is larger than the sum of its proper divisors (9222441).

20750463 is a wasteful number, since it uses less digits than its factorization.

20750463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2305613 (or 2305610 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 27.

The square root of 20750463 is about 4555.2676101410. The cubic root of 20750463 is about 274.7952768332.

The spelling of 20750463 in words is "twenty million, seven hundred fifty thousand, four hundred sixty-three".