2142470420 has 24 divisors (see below), whose sum is σ = 4506482400. Its totient is φ = 855598752.

The previous prime is 2142470387. The next prime is 2142470431. The reversal of 2142470420 is 240742412.

It is a self number, because there is not a number n which added to its sum of digits gives 2142470420.

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, 74150 + ... + 98909.

It is an arithmetic number, because the mean of its divisors is an integer number (187770100).

Almost surely, 2^2142470420 is an apocalyptic number.

2142470420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2142470420 is an abundant number, since it is smaller than the sum of its proper divisors (2364011980).

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

2142470420 is a wasteful number, since it uses less digits than its factorization.

2142470420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 173687 (or 173685 counting only the distinct ones).

The product of its (nonzero) digits is 3584, while the sum is 26.

The square root of 2142470420 is about 46286.8277158848. The cubic root of 2142470420 is about 1289.1544285378.

The spelling of 2142470420 in words is "two billion, one hundred forty-two million, four hundred seventy thousand, four hundred twenty".