20870201420 has 12 divisors (see below), whose sum is σ = 43827423024. Its totient is φ = 8348080560.

The previous prime is 20870201411. The next prime is 20870201459. The reversal of 20870201420 is 2410207802.

It is a super-2 number, since 2×20870201420² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 20870201420.

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, 521755016 + ... + 521755055.

It is an arithmetic number, because the mean of its divisors is an integer number (3652285252).

Almost surely, 2^20870201420 is an apocalyptic number.

20870201420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20870201420 is an abundant number, since it is smaller than the sum of its proper divisors (22957221604).

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

20870201420 is a wasteful number, since it uses less digits than its factorization.

20870201420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1043510080 (or 1043510078 counting only the distinct ones).

The product of its (nonzero) digits is 1792, while the sum is 26.

The spelling of 20870201420 in words is "twenty billion, eight hundred seventy million, two hundred one thousand, four hundred twenty".