1402220120 has 32 divisors (see below), whose sum is σ = 3605709600. Its totient is φ = 480761088.

The previous prime is 1402220119. The next prime is 1402220143. The reversal of 1402220120 is 210222041.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a junction number, because it is equal to n+sod(n) for n = 1402220095 and 1402220104.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2503685 + ... + 2504244.

It is an arithmetic number, because the mean of its divisors is an integer number (112678425).

Almost surely, 2^1402220120 is an apocalyptic number.

1402220120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1402220120 is an abundant number, since it is smaller than the sum of its proper divisors (2203489480).

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

1402220120 is a wasteful number, since it uses less digits than its factorization.

1402220120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5007947 (or 5007943 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

The square root of 1402220120 is about 37446.2297167552. The cubic root of 1402220120 is about 1119.2799687495.

Adding to 1402220120 its reverse (210222041), we get a palindrome (1612442161).

The spelling of 1402220120 in words is "one billion, four hundred two million, two hundred twenty thousand, one hundred twenty".