420151202140 has 48 divisors (see below), whose sum is σ = 884043502272. Its totient is φ = 167731946496.

The previous prime is 420151202129. The next prime is 420151202201. The reversal of 420151202140 is 41202151024.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41622934 + ... + 41633026.

It is an arithmetic number, because the mean of its divisors is an integer number (18417572964).

Almost surely, 2^420151202140 is an apocalyptic number.

It is an amenable number.

420151202140 is an abundant number, since it is smaller than the sum of its proper divisors (463892300132).

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

420151202140 is a wasteful number, since it uses less digits than its factorization.

420151202140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13966 (or 13964 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 22.

Adding to 420151202140 its reverse (41202151024), we get a palindrome (461353353164).

The spelling of 420151202140 in words is "four hundred twenty billion, one hundred fifty-one million, two hundred two thousand, one hundred forty".