20903730141 has 32 divisors (see below), whose sum is σ = 32277667840. Its totient is φ = 11786052096.

The previous prime is 20903730139. The next prime is 20903730143. The reversal of 20903730141 is 14103730902.

It is an interprime number because it is at equal distance from previous prime (20903730139) and next prime (20903730143).

It is not a de Polignac number, because 20903730141 - 2¹ = 20903730139 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20903730099 and 20903730108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20903730143) 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, 3343080 + ... + 3349326.

It is an arithmetic number, because the mean of its divisors is an integer number (1008677120).

Almost surely, 2^20903730141 is an apocalyptic number.

20903730141 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

20903730141 is a deficient number, since it is larger than the sum of its proper divisors (11373937699).

20903730141 is a wasteful number, since it uses less digits than its factorization.

20903730141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8353.

The product of its (nonzero) digits is 4536, while the sum is 30.

The spelling of 20903730141 in words is "twenty billion, nine hundred three million, seven hundred thirty thousand, one hundred forty-one".