10420207512 has 128 divisors (see below), whose sum is σ = 30691906560. Its totient is φ = 2906449920.

The previous prime is 10420207493. The next prime is 10420207541. The reversal of 10420207512 is 21570202401.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1255408 + ... + 1263680.

It is an arithmetic number, because the mean of its divisors is an integer number (239780520).

Almost surely, 2^10420207512 is an apocalyptic number.

10420207512 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10420207512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15345953280).

10420207512 is an abundant number, since it is smaller than the sum of its proper divisors (20271699048).

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

10420207512 is a wasteful number, since it uses less digits than its factorization.

10420207512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8673 (or 8669 counting only the distinct ones).

The product of its (nonzero) digits is 1120, while the sum is 24.

Adding to 10420207512 its reverse (21570202401), we get a palindrome (31990409913).

The spelling of 10420207512 in words is "ten billion, four hundred twenty million, two hundred seven thousand, five hundred twelve".