20412070 has 48 divisors (see below), whose sum is σ = 44650080. Its totient is φ = 6580224.

The previous prime is 20412047. The next prime is 20412071. The reversal of 20412070 is 7021402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20412071) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 19726 + ... + 20734.

It is an arithmetic number, because the mean of its divisors is an integer number (930210).

Almost surely, 2^20412070 is an apocalyptic number.

20412070 is an abundant number, since it is smaller than the sum of its proper divisors (24238010).

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

20412070 is a wasteful number, since it uses less digits than its factorization.

20412070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1057 (or 1040 counting only the distinct ones).

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

The square root of 20412070 is about 4517.9718901295. The cubic root of 20412070 is about 273.2933198747.

Adding to 20412070 its reverse (7021402), we get a palindrome (27433472).

It can be divided in two parts, 204120 and 70, that multiplied together give a square (14288400 = 3780²).

The spelling of 20412070 in words is "twenty million, four hundred twelve thousand, seventy".