10020355400 has 48 divisors (see below), whose sum is σ = 25415270640. Its totient is φ = 3643764800.

The previous prime is 10020355391. The next prime is 10020355409. The reversal of 10020355400 is 455302001.

It is an interprime number because it is at equal distance from previous prime (10020355391) and next prime (10020355409).

It is a Harshad number since it is a multiple of its sum of digits (20).

It is not an unprimeable number, because it can be changed into a prime (10020355409) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2275154 + ... + 2279553.

It is an arithmetic number, because the mean of its divisors is an integer number (529484805).

Almost surely, 2^10020355400 is an apocalyptic number.

10020355400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10020355400 is an abundant number, since it is smaller than the sum of its proper divisors (15394915240).

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

10020355400 is a wasteful number, since it uses less digits than its factorization.

10020355400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4554734 (or 4554725 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 20.

Adding to 10020355400 its reverse (455302001), we get a palindrome (10475657401).

The spelling of 10020355400 in words is "ten billion, twenty million, three hundred fifty-five thousand, four hundred".