20103452510 has 64 divisors (see below), whose sum is σ = 39836059200. Its totient is φ = 7273390080.

The previous prime is 20103452507. The next prime is 20103452513. The reversal of 20103452510 is 1525430102.

It is an interprime number because it is at equal distance from previous prime (20103452507) and next prime (20103452513).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20103452513) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 445466 + ... + 488514.

It is an arithmetic number, because the mean of its divisors is an integer number (622438425).

Almost surely, 2^20103452510 is an apocalyptic number.

20103452510 is a deficient number, since it is larger than the sum of its proper divisors (19732606690).

20103452510 is a wasteful number, since it uses less digits than its factorization.

20103452510 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43181.

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

Adding to 20103452510 its reverse (1525430102), we get a palindrome (21628882612).

The spelling of 20103452510 in words is "twenty billion, one hundred three million, four hundred fifty-two thousand, five hundred ten".