1402210020 has 24 divisors (see below), whose sum is σ = 3926188224. Its totient is φ = 373922656.

The previous prime is 1402209971. The next prime is 1402210057. The reversal of 1402210020 is 200122041.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 1402209978 and 1402210005.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11685024 + ... + 11685143.

It is an arithmetic number, because the mean of its divisors is an integer number (163591176).

Almost surely, 2^1402210020 is an apocalyptic number.

1402210020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1402210020 is an abundant number, since it is smaller than the sum of its proper divisors (2523978204).

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

1402210020 is a wasteful number, since it uses less digits than its factorization.

1402210020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23370179 (or 23370177 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

The square root of 1402210020 is about 37446.0948564734. The cubic root of 1402210020 is about 1119.2772814028.

Adding to 1402210020 its reverse (200122041), we get a palindrome (1602332061).

It can be divided in two parts, 14022 and 10020, that added together give a palindrome (24042).

The spelling of 1402210020 in words is "one billion, four hundred two million, two hundred ten thousand, twenty".