20070299345 has 4 divisors (see below), whose sum is σ = 24084359220. Its totient is φ = 16056239472.

The previous prime is 20070299287. The next prime is 20070299357. The reversal of 20070299345 is 54399207002.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2214925969 + 17855373376 = 47063^2 + 133624^2 .

It is a cyclic number.

It is not a de Polignac number, because 20070299345 - 2⁶ = 20070299281 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2007029930 + ... + 2007029939.

It is an arithmetic number, because the mean of its divisors is an integer number (6021089805).

Almost surely, 2^20070299345 is an apocalyptic number.

It is an amenable number.

20070299345 is a deficient number, since it is larger than the sum of its proper divisors (4014059875).

20070299345 is an equidigital number, since it uses as much as digits as its factorization.

20070299345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4014059874.

The product of its (nonzero) digits is 136080, while the sum is 41.

The spelling of 20070299345 in words is "twenty billion, seventy million, two hundred ninety-nine thousand, three hundred forty-five".