10921420 has 12 divisors (see below), whose sum is σ = 22935024. Its totient is φ = 4368560.

The previous prime is 10921411. The next prime is 10921423. The reversal of 10921420 is 2412901.

10921420 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (10921423) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 273016 + ... + 273055.

It is an arithmetic number, because the mean of its divisors is an integer number (1911252).

Almost surely, 2^10921420 is an apocalyptic number.

10921420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10921420 is an abundant number, since it is smaller than the sum of its proper divisors (12013604).

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

10921420 is a wasteful number, since it uses less digits than its factorization.

10921420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 546080 (or 546078 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 19.

The square root of 10921420 is about 3304.7571771614. The cubic root of 10921420 is about 221.8671661586.

The spelling of 10921420 in words is "ten million, nine hundred twenty-one thousand, four hundred twenty".