1214210020 has 24 divisors (see below), whose sum is σ = 2660704704. Its totient is φ = 464567136.

The previous prime is 1214210017. The next prime is 1214210021. The reversal of 1214210020 is 200124121.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1214210021) 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, 1319334 + ... + 1320253.

It is an arithmetic number, because the mean of its divisors is an integer number (110862696).

Almost surely, 2^1214210020 is an apocalyptic number.

1214210020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1214210020 is an abundant number, since it is smaller than the sum of its proper divisors (1446494684).

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

1214210020 is a wasteful number, since it uses less digits than its factorization.

1214210020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2639619 (or 2639617 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

The square root of 1214210020 is about 34845.5164978222. The cubic root of 1214210020 is about 1066.8366758099.

Adding to 1214210020 its reverse (200124121), we get a palindrome (1414334141).

The spelling of 1214210020 in words is "one billion, two hundred fourteen million, two hundred ten thousand, twenty".