20770334 has 32 divisors (see below), whose sum is σ = 35804160. Its totient is φ = 8962272.

The previous prime is 20770331. The next prime is 20770339. The reversal of 20770334 is 43307702.

It is a super-4 number, since 4×20770334⁴ (a number of 30 digits) contains 4444 as substring.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20770331) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27737 + ... + 28475.

It is an arithmetic number, because the mean of its divisors is an integer number (1118880).

Almost surely, 2^20770334 is an apocalyptic number.

20770334 is a deficient number, since it is larger than the sum of its proper divisors (15033826).

20770334 is a wasteful number, since it uses less digits than its factorization.

20770334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 824.

The product of its (nonzero) digits is 3528, while the sum is 26.

The square root of 20770334 is about 4557.4481895025. The cubic root of 20770334 is about 274.8829650752.

The spelling of 20770334 in words is "twenty million, seven hundred seventy thousand, three hundred thirty-four".