10203140220 has 384 divisors, whose sum is σ = 37662105600. Its totient is φ = 2003678208.

The previous prime is 10203140203. The next prime is 10203140251. The reversal of 10203140220 is 2204130201.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 10203140220.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 6119827 + ... + 6121493.

It is an arithmetic number, because the mean of its divisors is an integer number (98078400).

Almost surely, 2^10203140220 is an apocalyptic number.

10203140220 is a gapful number since it is divisible by the number (10) 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 10203140220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18831052800).

10203140220 is an abundant number, since it is smaller than the sum of its proper divisors (27458965380).

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

10203140220 is a wasteful number, since it uses less digits than its factorization.

10203140220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1777 (or 1775 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

Adding to 10203140220 its reverse (2204130201), we get a palindrome (12407270421).

The spelling of 10203140220 in words is "ten billion, two hundred three million, one hundred forty thousand, two hundred twenty".