20151443202 has 32 divisors (see below), whose sum is σ = 44989274880. Its totient is φ = 5964485520.

The previous prime is 20151443197. The next prime is 20151443209. The reversal of 20151443202 is 20234415102.

It is not an unprimeable number, because it can be changed into a prime (20151443209) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3547452 + ... + 3553127.

It is an arithmetic number, because the mean of its divisors is an integer number (1405914840).

Almost surely, 2^20151443202 is an apocalyptic number.

20151443202 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

20151443202 is an abundant number, since it is smaller than the sum of its proper divisors (24837831678).

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

20151443202 is a wasteful number, since it uses less digits than its factorization.

20151443202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7100638.

The product of its (nonzero) digits is 1920, while the sum is 24.

Adding to 20151443202 its reverse (20234415102), we get a palindrome (40385858304).

The spelling of 20151443202 in words is "twenty billion, one hundred fifty-one million, four hundred forty-three thousand, two hundred two".