20206715342 has 16 divisors (see below), whose sum is σ = 33197278464. Its totient is φ = 9148275000.

The previous prime is 20206715329. The next prime is 20206715411. The reversal of 20206715342 is 24351760202.

It is a super-2 number, since 2×20206715342² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20206715299 and 20206715308.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1824134 + ... + 1835177.

It is an arithmetic number, because the mean of its divisors is an integer number (2074829904).

Almost surely, 2^20206715342 is an apocalyptic number.

20206715342 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

20206715342 is a deficient number, since it is larger than the sum of its proper divisors (12990563122).

20206715342 is a wasteful number, since it uses less digits than its factorization.

20206715342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3659575.

The product of its (nonzero) digits is 20160, while the sum is 32.

The spelling of 20206715342 in words is "twenty billion, two hundred six million, seven hundred fifteen thousand, three hundred forty-two".