212054020 has 24 divisors (see below), whose sum is σ = 464675904. Its totient is φ = 81133536.

The previous prime is 212053987. The next prime is 212054021. The reversal of 212054020 is 20450212.

It is a junction number, because it is equal to n+sod(n) for n = 212053985 and 212054003.

It is not an unprimeable number, because it can be changed into a prime (212054021) 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, 230034 + ... + 230953.

It is an arithmetic number, because the mean of its divisors is an integer number (19361496).

Almost surely, 2^212054020 is an apocalyptic number.

212054020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212054020 is an abundant number, since it is smaller than the sum of its proper divisors (252621884).

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

212054020 is a wasteful number, since it uses less digits than its factorization.

212054020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 461019 (or 461017 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 16.

The square root of 212054020 is about 14562.0747148200. The cubic root of 212054020 is about 596.3238371935.

The spelling of 212054020 in words is "two hundred twelve million, fifty-four thousand, twenty".