20750433 has 8 divisors (see below), whose sum is σ = 30182496. Its totient is φ = 12576000.

The previous prime is 20750423. The next prime is 20750441. The reversal of 20750433 is 33405702.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 20750433 - 2⁴ = 20750417 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20750423) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 314368 + ... + 314433.

It is an arithmetic number, because the mean of its divisors is an integer number (3772812).

Almost surely, 2^20750433 is an apocalyptic number.

It is an amenable number.

20750433 is a deficient number, since it is larger than the sum of its proper divisors (9432063).

20750433 is a wasteful number, since it uses less digits than its factorization.

20750433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 628815.

The product of its (nonzero) digits is 2520, while the sum is 24.

The square root of 20750433 is about 4555.2643172488. The cubic root of 20750433 is about 274.7951444046.

The spelling of 20750433 in words is "twenty million, seven hundred fifty thousand, four hundred thirty-three".