10420203551 has 8 divisors (see below), whose sum is σ = 10715288640. Its totient is φ = 10125826848.

The previous prime is 10420203539. The next prime is 10420203557. The reversal of 10420203551 is 15530202401.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 10420203551 - 2³⁰ = 9346461727 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10420203557) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 147191 + ... + 206168.

It is an arithmetic number, because the mean of its divisors is an integer number (1339411080).

Almost surely, 2^10420203551 is an apocalyptic number.

10420203551 is a deficient number, since it is larger than the sum of its proper divisors (295085089).

10420203551 is an equidigital number, since it uses as much as digits as its factorization.

10420203551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 354193.

The product of its (nonzero) digits is 1200, while the sum is 23.

Adding to 10420203551 its reverse (15530202401), we get a palindrome (25950405952).

The spelling of 10420203551 in words is "ten billion, four hundred twenty million, two hundred three thousand, five hundred fifty-one".