340020340203 has 16 divisors (see below), whose sum is σ = 453688874496. Its totient is φ = 226516082400.

The previous prime is 340020340169. The next prime is 340020340243. The reversal of 340020340203 is 302043020043.

It is not a de Polignac number, because 340020340203 - 2²⁵ = 339986785771 is a prime.

It is a super-2 number, since 2×340020340203² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 340020340203.

It is not an unprimeable number, because it can be changed into a prime (340020340243) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41854900 + ... + 41863022.

It is an arithmetic number, because the mean of its divisors is an integer number (28355554656).

Almost surely, 2^340020340203 is an apocalyptic number.

340020340203 is a deficient number, since it is larger than the sum of its proper divisors (113668534293).

340020340203 is a wasteful number, since it uses less digits than its factorization.

340020340203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16514.

The product of its (nonzero) digits is 1728, while the sum is 21.

Adding to 340020340203 its reverse (302043020043), we get a palindrome (642063360246).

The spelling of 340020340203 in words is "three hundred forty billion, twenty million, three hundred forty thousand, two hundred three".