420010200544 has 24 divisors (see below), whose sum is σ = 902067363288. Its totient is φ = 190913727360.

The previous prime is 420010200487. The next prime is 420010200583. The reversal of 420010200544 is 445002010024.

It is a happy number.

It is a super-2 number, since 2×420010200544² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

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, 596605047 + ... + 596605750.

It is an arithmetic number, because the mean of its divisors is an integer number (37586140137).

Almost surely, 2^420010200544 is an apocalyptic number.

420010200544 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

420010200544 is an abundant number, since it is smaller than the sum of its proper divisors (482057162744).

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

420010200544 is a wasteful number, since it uses less digits than its factorization.

420010200544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1193210818 (or 1193210810 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 22.

Adding to 420010200544 its reverse (445002010024), we get a palindrome (865012210568).

The spelling of 420010200544 in words is "four hundred twenty billion, ten million, two hundred thousand, five hundred forty-four".