20412700 has 108 divisors (see below), whose sum is σ = 55874896. Its totient is φ = 6336000.

The previous prime is 20412697. The next prime is 20412703. The reversal of 20412700 is 721402.

It is an interprime number because it is at equal distance from previous prime (20412697) and next prime (20412703).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20412703) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 84580 + ... + 84820.

Almost surely, 2^20412700 is an apocalyptic number.

20412700 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20412700, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27937448).

20412700 is an abundant number, since it is smaller than the sum of its proper divisors (35462196).

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

20412700 is a wasteful number, since it uses less digits than its factorization.

20412700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 284 (or 266 counting only the distinct ones).

The product of its (nonzero) digits is 112, while the sum is 16.

The square root of 20412700 is about 4518.0416111408. The cubic root of 20412700 is about 273.2961314958.

It can be divided in two parts, 20412 and 700, that multiplied together give a square (14288400 = 3780²).

The spelling of 20412700 in words is "twenty million, four hundred twelve thousand, seven hundred".