420203503020152 has 32 divisors (see below), whose sum is σ = 801253598745600. Its totient is φ = 206536037628000.

The previous prime is 420203503020143. The next prime is 420203503020233. The reversal of 420203503020152 is 251020305302024.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10897127 + ... + 30970217.

It is an arithmetic number, because the mean of its divisors is an integer number (25039174960800).

Almost surely, 2^{420203503020152} is an apocalyptic number.

It is an amenable number.

420203503020152 is a deficient number, since it is larger than the sum of its proper divisors (381050095725448).

420203503020152 is a wasteful number, since it uses less digits than its factorization.

420203503020152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20117507 (or 20117503 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 29.

Adding to 420203503020152 its reverse (251020305302024), we get a palindrome (671223808322176).

The spelling of 420203503020152 in words is "four hundred twenty trillion, two hundred three billion, five hundred three million, twenty thousand, one hundred fifty-two".