420102431254 has 16 divisors (see below), whose sum is σ = 717329053440. Its totient is φ = 182653230760.

The previous prime is 420102431237. The next prime is 420102431297. The reversal of 420102431254 is 452134201024.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 415120474 + ... + 415121485.

It is an arithmetic number, because the mean of its divisors is an integer number (44833065840).

Almost surely, 2^420102431254 is an apocalyptic number.

420102431254 is a deficient number, since it is larger than the sum of its proper divisors (297226622186).

420102431254 is a wasteful number, since it uses less digits than its factorization.

420102431254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 830241995.

The product of its (nonzero) digits is 7680, while the sum is 28.

Adding to 420102431254 its reverse (452134201024), we get a palindrome (872236632278).

The spelling of 420102431254 in words is "four hundred twenty billion, one hundred two million, four hundred thirty-one thousand, two hundred fifty-four".