20153433262 has 16 divisors (see below), whose sum is σ = 30618819792. Its totient is φ = 9947957760.

The previous prime is 20153433253. The next prime is 20153433263. The reversal of 20153433262 is 26233435102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20153433263) 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, 148713 + ... + 249844.

It is an arithmetic number, because the mean of its divisors is an integer number (1913676237).

Almost surely, 2^20153433262 is an apocalyptic number.

20153433262 is a deficient number, since it is larger than the sum of its proper divisors (10465386530).

20153433262 is a wasteful number, since it uses less digits than its factorization.

20153433262 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 398883.

The product of its (nonzero) digits is 25920, while the sum is 31.

Adding to 20153433262 its reverse (26233435102), we get a palindrome (46386868364).

The spelling of 20153433262 in words is "twenty billion, one hundred fifty-three million, four hundred thirty-three thousand, two hundred sixty-two".