20151355102 has 8 divisors (see below), whose sum is σ = 31541251536. Its totient is φ = 9637604592.

The previous prime is 20151355073. The next prime is 20151355111. The reversal of 20151355102 is 20155315102.

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

It is a super-2 number, since 2×20151355102² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

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, 219036423 + ... + 219036514.

It is an arithmetic number, because the mean of its divisors is an integer number (3942656442).

Almost surely, 2^20151355102 is an apocalyptic number.

20151355102 is a deficient number, since it is larger than the sum of its proper divisors (11389896434).

20151355102 is a wasteful number, since it uses less digits than its factorization.

20151355102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 438072962.

The product of its (nonzero) digits is 1500, while the sum is 25.

The spelling of 20151355102 in words is "twenty billion, one hundred fifty-one million, three hundred fifty-five thousand, one hundred two".