20153235102 has 96 divisors (see below), whose sum is σ = 54527940096. Its totient is φ = 4831928640.

The previous prime is 20153235071. The next prime is 20153235103.

It is a happy number.

20153235102 is nontrivially palindromic in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20153235103) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 86458 + ... + 218589.

It is an arithmetic number, because the mean of its divisors is an integer number (567999376).

Almost surely, 2^20153235102 is an apocalyptic number.

20153235102 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

20153235102 is an abundant number, since it is smaller than the sum of its proper divisors (34374704994).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20153235102 is a wasteful number, since it uses less digits than its factorization.

20153235102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 305094 (or 305083 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 24.

It can be divided in two parts, 20153 and 235102, that added together give a triangular number (255255 = T₇₁₄).

The spelling of 20153235102 in words is "twenty billion, one hundred fifty-three million, two hundred thirty-five thousand, one hundred two".