20357245711 has 4 divisors (see below), whose sum is σ = 22207904424. Its totient is φ = 18506587000.

The previous prime is 20357245691. The next prime is 20357245723. The reversal of 20357245711 is 11754275302.

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

It is not a de Polignac number, because 20357245711 - 2¹³ = 20357237519 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20357245511) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 925329340 + ... + 925329361.

It is an arithmetic number, because the mean of its divisors is an integer number (5551976106).

Almost surely, 2^20357245711 is an apocalyptic number.

20357245711 is a deficient number, since it is larger than the sum of its proper divisors (1850658713).

20357245711 is a wasteful number, since it uses less digits than its factorization.

20357245711 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1850658712.

The product of its (nonzero) digits is 58800, while the sum is 37.

The spelling of 20357245711 in words is "twenty billion, three hundred fifty-seven million, two hundred forty-five thousand, seven hundred eleven".