20712468 has 24 divisors (see below), whose sum is σ = 55233472. Its totient is φ = 5917824.

The previous prime is 20712449. The next prime is 20712469. The reversal of 20712468 is 86421702.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20712469) 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, 123205 + ... + 123372.

Almost surely, 2^20712468 is an apocalyptic number.

20712468 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

20712468 is an abundant number, since it is smaller than the sum of its proper divisors (34521004).

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

20712468 is a wasteful number, since it uses less digits than its factorization.

20712468 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 246591 (or 246589 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 30.

The square root of 20712468 is about 4551.0952527936. The cubic root of 20712468 is about 274.6274536609.

The spelling of 20712468 in words is "twenty million, seven hundred twelve thousand, four hundred sixty-eight".