20235153711 has 8 divisors (see below), whose sum is σ = 26981797680. Its totient is φ = 13489306112.

The previous prime is 20235153707. The next prime is 20235153727. The reversal of 20235153711 is 11735153202.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20235153711 - 2² = 20235153707 is a prime.

It is a super-2 number, since 2×20235153711² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20235153761) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 137040 + ... + 243413.

It is an arithmetic number, because the mean of its divisors is an integer number (3372724710).

Almost surely, 2^20235153711 is an apocalyptic number.

20235153711 is a deficient number, since it is larger than the sum of its proper divisors (6746643969).

20235153711 is a wasteful number, since it uses less digits than its factorization.

20235153711 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 398185.

The product of its (nonzero) digits is 6300, while the sum is 30.

The spelling of 20235153711 in words is "twenty billion, two hundred thirty-five million, one hundred fifty-three thousand, seven hundred eleven".