20083770 has 96 divisors (see below), whose sum is σ = 60652800. Its totient is φ = 4515840.

The previous prime is 20083769. The next prime is 20083771. The reversal of 20083770 is 7738002.

It is an interprime number because it is at equal distance from previous prime (20083769) and next prime (20083771).

It is not an unprimeable number, because it can be changed into a prime (20083771) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 44506 + ... + 44954.

It is an arithmetic number, because the mean of its divisors is an integer number (631800).

Almost surely, 2^20083770 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20083770, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30326400).

20083770 is an abundant number, since it is smaller than the sum of its proper divisors (40569030).

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

20083770 is a wasteful number, since it uses less digits than its factorization.

20083770 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 540 (or 537 counting only the distinct ones).

The product of its (nonzero) digits is 2352, while the sum is 27.

The square root of 20083770 is about 4481.4919390756. The cubic root of 20083770 is about 271.8202117105.

It can be divided in two parts, 2008 and 3770, that added together give a triangular number (5778 = T₁₀₇).

The spelling of 20083770 in words is "twenty million, eighty-three thousand, seven hundred seventy".