2120021462 has 16 divisors (see below), whose sum is σ = 3425777712. Its totient is φ = 978149280.

The previous prime is 2120021461. The next prime is 2120021471. The reversal of 2120021462 is 2641200212.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2120021461) 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, 79088 + ... + 102444.

It is an arithmetic number, because the mean of its divisors is an integer number (214111107).

Almost surely, 2^2120021462 is an apocalyptic number.

2120021462 is a deficient number, since it is larger than the sum of its proper divisors (1305756250).

2120021462 is a wasteful number, since it uses less digits than its factorization.

2120021462 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26863.

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 2120021462 is about 46043.6907947224. The cubic root of 2120021462 is about 1284.6359927237.

Adding to 2120021462 its reverse (2641200212), we get a palindrome (4761221674).

The spelling of 2120021462 in words is "two billion, one hundred twenty million, twenty-one thousand, four hundred sixty-two".