1402020120224 has 12 divisors (see below), whose sum is σ = 2760227111754. Its totient is φ = 701010060096.

The previous prime is 1402020120211. The next prime is 1402020120227. The reversal of 1402020120224 is 4220210202041.

It can be written as a sum of positive squares in only one way, i.e., 1074813239824 + 327206880400 = 1036732^2 + 572020^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1402020120196 and 1402020120205.

It is not an unprimeable number, because it can be changed into a prime (1402020120227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21906564347 + ... + 21906564410.

Almost surely, 2^{1402020120224} is an apocalyptic number.

It is an amenable number.

1402020120224 is a deficient number, since it is larger than the sum of its proper divisors (1358206991530).

1402020120224 is an equidigital number, since it uses as much as digits as its factorization.

1402020120224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43813128767 (or 43813128759 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 20.

Adding to 1402020120224 its reverse (4220210202041), we get a palindrome (5622230322265).

The spelling of 1402020120224 in words is "one trillion, four hundred two billion, twenty million, one hundred twenty thousand, two hundred twenty-four".