1402202420 has 12 divisors (see below), whose sum is σ = 2944625124. Its totient is φ = 560880960.

The previous prime is 1402202411. The next prime is 1402202441. The reversal of 1402202420 is 242022041.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 874030096 + 528172324 = 29564^2 + 22982^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35055041 + ... + 35055080.

It is an arithmetic number, because the mean of its divisors is an integer number (245385427).

Almost surely, 2^1402202420 is an apocalyptic number.

1402202420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1402202420 is an abundant number, since it is smaller than the sum of its proper divisors (1542422704).

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

1402202420 is a wasteful number, since it uses less digits than its factorization.

1402202420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70110130 (or 70110128 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 17.

The square root of 1402202420 is about 37445.9933771291. The cubic root of 1402202420 is about 1119.2752592324.

Adding to 1402202420 its reverse (242022041), we get a palindrome (1644224461).

The spelling of 1402202420 in words is "one billion, four hundred two million, two hundred two thousand, four hundred twenty".