420220355004252 has 72 divisors (see below), whose sum is σ = 1158792713769600. Its totient is φ = 127339144377120.

The previous prime is 420220355004251. The next prime is 420220355004283. The reversal of 420220355004252 is 252400553022024.

420220355004252 is a `hidden beast` number, since 4 + 2 + 0 + 220 + 3 + 5 + 5 + 0 + 0 + 425 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420220355004251) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 162741823 + ... + 165303785.

It is an arithmetic number, because the mean of its divisors is an integer number (16094343246800).

Almost surely, 2^{420220355004252} is an apocalyptic number.

It is an amenable number.

420220355004252 is an abundant number, since it is smaller than the sum of its proper divisors (738572358765348).

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

420220355004252 is a wasteful number, since it uses less digits than its factorization.

420220355004252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2976183 (or 2976178 counting only the distinct ones).

The product of its (nonzero) digits is 192000, while the sum is 36.

The spelling of 420220355004252 in words is "four hundred twenty trillion, two hundred twenty billion, three hundred fifty-five million, four thousand, two hundred fifty-two".