420222500534 has 4 divisors (see below), whose sum is σ = 630333750804. Its totient is φ = 210111250266.

The previous prime is 420222500531. The next prime is 420222500539. The reversal of 420222500534 is 435005222024.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 420222500497 and 420222500506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420222500531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105055625132 + ... + 105055625135.

It is an arithmetic number, because the mean of its divisors is an integer number (157583437701).

Almost surely, 2^420222500534 is an apocalyptic number.

420222500534 is a deficient number, since it is larger than the sum of its proper divisors (210111250270).

420222500534 is a wasteful number, since it uses less digits than its factorization.

420222500534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210111250269.

The product of its (nonzero) digits is 19200, while the sum is 29.

Adding to 420222500534 its reverse (435005222024), we get a palindrome (855227722558).

The spelling of 420222500534 in words is "four hundred twenty billion, two hundred twenty-two million, five hundred thousand, five hundred thirty-four".